145604680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{280009}}^1$

素因数の和:280033

約数の個数: 32

約数和(自身を含む): 352812600

約数和(自身を除く): 207207920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 280009, 560018, 1120036, 1400045, 2240072, 2800090, 3640117, 5600180, 7280234, 11200360, 14560468, 18200585, 29120936, 36401170, 72802340, 145604680]

約数ペア:

[(1, 145604680), (2, 72802340), (4, 36401170), (5, 29120936), (8, 18200585), (10, 14560468), (13, 11200360), (20, 7280234), (26, 5600180), (40, 3640117), (52, 2800090), (65, 2240072), (104, 1400045), (130, 1120036), (260, 560018), (520, 280009)]