80609360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77509}}^1$

素因数の和:77535

約数の個数: 40

約数和(自身を含む): 201836040

約数和(自身を除く): 121226680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 77509, 155018, 310036, 387545, 620072, 775090, 1007617, 1240144, 1550180, 2015234, 3100360, 4030468, 5038085, 6200720, 8060936, 10076170, 16121872, 20152340, 40304680, 80609360]

約数ペア:

[(1, 80609360), (2, 40304680), (4, 20152340), (5, 16121872), (8, 10076170), (10, 8060936), (13, 6200720), (16, 5038085), (20, 4030468), (26, 3100360), (40, 2015234), (52, 1550180), (65, 1240144), (80, 1007617), (104, 775090), (130, 620072), (208, 387545), (260, 310036), (520, 155018), (1040, 77509)]