13028380

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 28435680

約数和(自身を除く): 15407300

約数列:

[1, 2, 4, 5, 10, 20, 59, 61, 118, 122, 181, 236, 244, 295, 305, 362, 590, 610, 724, 905, 1180, 1220, 1810, 3599, 3620, 7198, 10679, 11041, 14396, 17995, 21358, 22082, 35990, 42716, 44164, 53395, 55205, 71980, 106790, 110410, 213580, 220820, 651419, 1302838, 2605676, 3257095, 6514190, 13028380]

約数ペア:

[(1, 13028380), (2, 6514190), (4, 3257095), (5, 2605676), (10, 1302838), (20, 651419), (59, 220820), (61, 213580), (118, 110410), (122, 106790), (181, 71980), (236, 55205), (244, 53395), (295, 44164), (305, 42716), (362, 35990), (590, 22082), (610, 21358), (724, 17995), (905, 14396), (1180, 11041), (1220, 10679), (1810, 7198), (3599, 3620)]