80958280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155689}}^1$

素因数の和:155713

約数の個数: 32

約数和(自身を含む): 196169400

約数和(自身を除く): 115211120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 155689, 311378, 622756, 778445, 1245512, 1556890, 2023957, 3113780, 4047914, 6227560, 8095828, 10119785, 16191656, 20239570, 40479140, 80958280]

約数ペア:

[(1, 80958280), (2, 40479140), (4, 20239570), (5, 16191656), (8, 10119785), (10, 8095828), (13, 6227560), (20, 4047914), (26, 3113780), (40, 2023957), (52, 1556890), (65, 1245512), (104, 778445), (130, 622756), (260, 311378), (520, 155689)]