8625004240

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1\times {\mathrm{3491}}^1$

素因数の和:3940

約数の個数: 80

約数和(自身を含む): 20342715840

約数和(自身を除く): 11717711600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 347, 356, 445, 694, 712, 890, 1388, 1424, 1735, 1780, 2776, 3470, 3491, 3560, 5552, 6940, 6982, 7120, 13880, 13964, 17455, 27760, 27928, 30883, 34910, 55856, 61766, 69820, 123532, 139640, 154415, 247064, 279280, 308830, 310699, 494128, 617660, 621398, 1211377, 1235320, 1242796, 1553495, 2422754, 2470640, 2485592, 3106990, 4845508, 4971184, 6056885, 6213980, 9691016, 12113770, 12427960, 19382032, 24227540, 24855920, 48455080, 96910160, 107812553, 215625106, 431250212, 539062765, 862500424, 1078125530, 1725000848, 2156251060, 4312502120, 8625004240]

約数ペア:

[(1, 8625004240), (2, 4312502120), (4, 2156251060), (5, 1725000848), (8, 1078125530), (10, 862500424), (16, 539062765), (20, 431250212), (40, 215625106), (80, 107812553), (89, 96910160), (178, 48455080), (347, 24855920), (356, 24227540), (445, 19382032), (694, 12427960), (712, 12113770), (890, 9691016), (1388, 6213980), (1424, 6056885), (1735, 4971184), (1780, 4845508), (2776, 3106990), (3470, 2485592), (3491, 2470640), (3560, 2422754), (5552, 1553495), (6940, 1242796), (6982, 1235320), (7120, 1211377), (13880, 621398), (13964, 617660), (17455, 494128), (27760, 310699), (27928, 308830), (30883, 279280), (34910, 247064), (55856, 154415), (61766, 139640), (69820, 123532)]