42560440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81847}}^1$

素因数の和:81871

約数の個数: 32

約数和(自身を含む): 103128480

約数和(自身を除く): 60568040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 81847, 163694, 327388, 409235, 654776, 818470, 1064011, 1636940, 2128022, 3273880, 4256044, 5320055, 8512088, 10640110, 21280220, 42560440]

約数ペア:

[(1, 42560440), (2, 21280220), (4, 10640110), (5, 8512088), (8, 5320055), (10, 4256044), (13, 3273880), (20, 2128022), (26, 1636940), (40, 1064011), (52, 818470), (65, 654776), (104, 409235), (130, 327388), (260, 163694), (520, 81847)]