88204940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1\times {\mathrm{409}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 190935360

約数和(自身を除く): 102730420

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 263, 409, 410, 526, 818, 820, 1052, 1315, 1636, 2045, 2630, 4090, 5260, 8180, 10783, 16769, 21566, 33538, 43132, 53915, 67076, 83845, 107567, 107830, 167690, 215134, 215660, 335380, 430268, 537835, 1075670, 2151340, 4410247, 8820494, 17640988, 22051235, 44102470, 88204940]

約数ペア:

[(1, 88204940), (2, 44102470), (4, 22051235), (5, 17640988), (10, 8820494), (20, 4410247), (41, 2151340), (82, 1075670), (164, 537835), (205, 430268), (263, 335380), (409, 215660), (410, 215134), (526, 167690), (818, 107830), (820, 107567), (1052, 83845), (1315, 67076), (1636, 53915), (2045, 43132), (2630, 33538), (4090, 21566), (5260, 16769), (8180, 10783)]