54978160

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3257}}^1$

素因数の和:3481

約数の個数: 40

約数和(自身を含む): 128469456

約数和(自身を除く): 73491296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 3257, 3376, 4220, 6514, 8440, 13028, 16285, 16880, 26056, 32570, 52112, 65140, 130280, 260560, 687227, 1374454, 2748908, 3436135, 5497816, 6872270, 10995632, 13744540, 27489080, 54978160]

約数ペア:

[(1, 54978160), (2, 27489080), (4, 13744540), (5, 10995632), (8, 6872270), (10, 5497816), (16, 3436135), (20, 2748908), (40, 1374454), (80, 687227), (211, 260560), (422, 130280), (844, 65140), (1055, 52112), (1688, 32570), (2110, 26056), (3257, 16880), (3376, 16285), (4220, 13028), (6514, 8440)]