64747720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{55817}}^1$

素因数の和:55857

約数の個数: 32

約数和(自身を含む): 150708600

約数和(自身を除く): 85960880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 55817, 111634, 223268, 279085, 446536, 558170, 1116340, 1618693, 2232680, 3237386, 6474772, 8093465, 12949544, 16186930, 32373860, 64747720]

約数ペア:

[(1, 64747720), (2, 32373860), (4, 16186930), (5, 12949544), (8, 8093465), (10, 6474772), (20, 3237386), (29, 2232680), (40, 1618693), (58, 1116340), (116, 558170), (145, 446536), (232, 279085), (290, 223268), (580, 111634), (1160, 55817)]