11812720

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{991}}^1$

素因数の和:1153

約数の個数: 40

約数和(自身を含む): 27676800

約数和(自身を除く): 15864080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 991, 1192, 1490, 1982, 2384, 2980, 3964, 4955, 5960, 7928, 9910, 11920, 15856, 19820, 39640, 79280, 147659, 295318, 590636, 738295, 1181272, 1476590, 2362544, 2953180, 5906360, 11812720]

約数ペア:

[(1, 11812720), (2, 5906360), (4, 2953180), (5, 2362544), (8, 1476590), (10, 1181272), (16, 738295), (20, 590636), (40, 295318), (80, 147659), (149, 79280), (298, 39640), (596, 19820), (745, 15856), (991, 11920), (1192, 9910), (1490, 7928), (1982, 5960), (2384, 4955), (2980, 3964)]