11815960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{733}}^1$

素因数の和:788

約数の個数: 64

約数和(自身を含む): 29594880

約数和(自身を除く): 17778920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 733, 806, 1240, 1466, 1612, 2015, 2932, 3224, 3665, 4030, 5864, 7330, 8060, 9529, 14660, 16120, 19058, 22723, 29320, 38116, 45446, 47645, 76232, 90892, 95290, 113615, 181784, 190580, 227230, 295399, 381160, 454460, 590798, 908920, 1181596, 1476995, 2363192, 2953990, 5907980, 11815960]

約数ペア:

[(1, 11815960), (2, 5907980), (4, 2953990), (5, 2363192), (8, 1476995), (10, 1181596), (13, 908920), (20, 590798), (26, 454460), (31, 381160), (40, 295399), (52, 227230), (62, 190580), (65, 181784), (104, 113615), (124, 95290), (130, 90892), (155, 76232), (248, 47645), (260, 45446), (310, 38116), (403, 29320), (520, 22723), (620, 19058), (733, 16120), (806, 14660), (1240, 9529), (1466, 8060), (1612, 7330), (2015, 5864), (2932, 4030), (3224, 3665)]