72809360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{70009}}^1$

素因数の和:70035

約数の個数: 40

約数和(自身を含む): 182306040

約数和(自身を除く): 109496680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 70009, 140018, 280036, 350045, 560072, 700090, 910117, 1120144, 1400180, 1820234, 2800360, 3640468, 4550585, 5600720, 7280936, 9101170, 14561872, 18202340, 36404680, 72809360]

約数ペア:

[(1, 72809360), (2, 36404680), (4, 18202340), (5, 14561872), (8, 9101170), (10, 7280936), (13, 5600720), (16, 4550585), (20, 3640468), (26, 2800360), (40, 1820234), (52, 1400180), (65, 1120144), (80, 910117), (104, 700090), (130, 560072), (208, 350045), (260, 280036), (520, 140018), (1040, 70009)]