23355560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:498

約数の個数: 64

約数和(自身を含む): 56160000

約数和(自身を除く): 32804440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 79, 95, 152, 158, 190, 316, 380, 389, 395, 632, 760, 778, 790, 1501, 1556, 1580, 1945, 3002, 3112, 3160, 3890, 6004, 7391, 7505, 7780, 12008, 14782, 15010, 15560, 29564, 30020, 30731, 36955, 59128, 60040, 61462, 73910, 122924, 147820, 153655, 245848, 295640, 307310, 583889, 614620, 1167778, 1229240, 2335556, 2919445, 4671112, 5838890, 11677780, 23355560]

約数ペア:

[(1, 23355560), (2, 11677780), (4, 5838890), (5, 4671112), (8, 2919445), (10, 2335556), (19, 1229240), (20, 1167778), (38, 614620), (40, 583889), (76, 307310), (79, 295640), (95, 245848), (152, 153655), (158, 147820), (190, 122924), (316, 73910), (380, 61462), (389, 60040), (395, 59128), (632, 36955), (760, 30731), (778, 30020), (790, 29564), (1501, 15560), (1556, 15010), (1580, 14782), (1945, 12008), (3002, 7780), (3112, 7505), (3160, 7391), (3890, 6004)]