159904520

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{44917}}^1$

素因数の和:45017

約数の個数: 32

約数和(自身を含む): 363835800

約数和(自身を除く): 203931280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 44917, 89834, 179668, 224585, 359336, 449170, 898340, 1796680, 3997613, 7995226, 15990452, 19988065, 31980904, 39976130, 79952260, 159904520]

約数ペア:

[(1, 159904520), (2, 79952260), (4, 39976130), (5, 31980904), (8, 19988065), (10, 15990452), (20, 7995226), (40, 3997613), (89, 1796680), (178, 898340), (356, 449170), (445, 359336), (712, 224585), (890, 179668), (1780, 89834), (3560, 44917)]