13294040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 31518720

約数和(自身を除く): 18224680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 71, 124, 142, 151, 155, 248, 284, 302, 310, 355, 568, 604, 620, 710, 755, 1208, 1240, 1420, 1510, 2201, 2840, 3020, 4402, 4681, 6040, 8804, 9362, 10721, 11005, 17608, 18724, 21442, 22010, 23405, 37448, 42884, 44020, 46810, 53605, 85768, 88040, 93620, 107210, 187240, 214420, 332351, 428840, 664702, 1329404, 1661755, 2658808, 3323510, 6647020, 13294040]

約数ペア:

[(1, 13294040), (2, 6647020), (4, 3323510), (5, 2658808), (8, 1661755), (10, 1329404), (20, 664702), (31, 428840), (40, 332351), (62, 214420), (71, 187240), (124, 107210), (142, 93620), (151, 88040), (155, 85768), (248, 53605), (284, 46810), (302, 44020), (310, 42884), (355, 37448), (568, 23405), (604, 22010), (620, 21442), (710, 18724), (755, 17608), (1208, 11005), (1240, 10721), (1420, 9362), (1510, 8804), (2201, 6040), (2840, 4681), (3020, 4402)]