1161680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1117}}^1$

素因数の和:1143

約数の個数: 40

約数和(自身を含む): 2911272

約数和(自身を除く): 1749592

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1117, 2234, 4468, 5585, 8936, 11170, 14521, 17872, 22340, 29042, 44680, 58084, 72605, 89360, 116168, 145210, 232336, 290420, 580840, 1161680]

約数ペア:

[(1, 1161680), (2, 580840), (4, 290420), (5, 232336), (8, 145210), (10, 116168), (13, 89360), (16, 72605), (20, 58084), (26, 44680), (40, 29042), (52, 22340), (65, 17872), (80, 14521), (104, 11170), (130, 8936), (208, 5585), (260, 4468), (520, 2234), (1040, 1117)]