8188566920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1\times {\mathrm{433}}^1$

素因数の和:727

約数の個数: 128

約数和(自身を含む): 19378759680

約数和(自身を除く): 11190192760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 101, 124, 151, 155, 202, 248, 302, 310, 404, 433, 505, 604, 620, 755, 808, 866, 1010, 1208, 1240, 1510, 1732, 2020, 2165, 3020, 3131, 3464, 4040, 4330, 4681, 6040, 6262, 8660, 9362, 12524, 13423, 15251, 15655, 17320, 18724, 23405, 25048, 26846, 30502, 31310, 37448, 43733, 46810, 53692, 61004, 62620, 65383, 67115, 76255, 87466, 93620, 107384, 122008, 125240, 130766, 134230, 152510, 174932, 187240, 218665, 261532, 268460, 305020, 326915, 349864, 437330, 472781, 523064, 536920, 610040, 653830, 874660, 945562, 1307660, 1355723, 1749320, 1891124, 2026873, 2363905, 2615320, 2711446, 3782248, 4053746, 4727810, 5422892, 6603683, 6778615, 8107492, 9455620, 10134365, 10845784, 13207366, 13557230, 16214984, 18911240, 20268730, 26414732, 27114460, 33018415, 40537460, 52829464, 54228920, 66036830, 81074920, 132073660, 204714173, 264147320, 409428346, 818856692, 1023570865, 1637713384, 2047141730, 4094283460, 8188566920]

約数ペア:

[(1, 8188566920), (2, 4094283460), (4, 2047141730), (5, 1637713384), (8, 1023570865), (10, 818856692), (20, 409428346), (31, 264147320), (40, 204714173), (62, 132073660), (101, 81074920), (124, 66036830), (151, 54228920), (155, 52829464), (202, 40537460), (248, 33018415), (302, 27114460), (310, 26414732), (404, 20268730), (433, 18911240), (505, 16214984), (604, 13557230), (620, 13207366), (755, 10845784), (808, 10134365), (866, 9455620), (1010, 8107492), (1208, 6778615), (1240, 6603683), (1510, 5422892), (1732, 4727810), (2020, 4053746), (2165, 3782248), (3020, 2711446), (3131, 2615320), (3464, 2363905), (4040, 2026873), (4330, 1891124), (4681, 1749320), (6040, 1355723), (6262, 1307660), (8660, 945562), (9362, 874660), (12524, 653830), (13423, 610040), (15251, 536920), (15655, 523064), (17320, 472781), (18724, 437330), (23405, 349864), (25048, 326915), (26846, 305020), (30502, 268460), (31310, 261532), (37448, 218665), (43733, 187240), (46810, 174932), (53692, 152510), (61004, 134230), (62620, 130766), (65383, 125240), (67115, 122008), (76255, 107384), (87466, 93620)]