28663160

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 67223520

約数和(自身を除く): 38560360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 107, 148, 181, 185, 214, 296, 362, 370, 428, 535, 724, 740, 856, 905, 1070, 1448, 1480, 1810, 2140, 3620, 3959, 4280, 6697, 7240, 7918, 13394, 15836, 19367, 19795, 26788, 31672, 33485, 38734, 39590, 53576, 66970, 77468, 79180, 96835, 133940, 154936, 158360, 193670, 267880, 387340, 716579, 774680, 1433158, 2866316, 3582895, 5732632, 7165790, 14331580, 28663160]

約数ペア:

[(1, 28663160), (2, 14331580), (4, 7165790), (5, 5732632), (8, 3582895), (10, 2866316), (20, 1433158), (37, 774680), (40, 716579), (74, 387340), (107, 267880), (148, 193670), (181, 158360), (185, 154936), (214, 133940), (296, 96835), (362, 79180), (370, 77468), (428, 66970), (535, 53576), (724, 39590), (740, 38734), (856, 33485), (905, 31672), (1070, 26788), (1448, 19795), (1480, 19367), (1810, 15836), (2140, 13394), (3620, 7918), (3959, 7240), (4280, 6697)]