91215020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{11317}}^1$

素因数の和:11370

約数の個数: 48

約数和(自身を含む): 212959488

約数和(自身を除く): 121744468

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 11317, 22634, 45268, 56585, 113170, 147121, 226340, 294242, 350827, 588484, 701654, 735605, 1403308, 1471210, 1754135, 2942420, 3508270, 4560751, 7016540, 9121502, 18243004, 22803755, 45607510, 91215020]

約数ペア:

[(1, 91215020), (2, 45607510), (4, 22803755), (5, 18243004), (10, 9121502), (13, 7016540), (20, 4560751), (26, 3508270), (31, 2942420), (52, 1754135), (62, 1471210), (65, 1403308), (124, 735605), (130, 701654), (155, 588484), (260, 350827), (310, 294242), (403, 226340), (620, 147121), (806, 113170), (1612, 56585), (2015, 45268), (4030, 22634), (8060, 11317)]