5210140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{691}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 12206880

約数和(自身を除く): 6996740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 691, 754, 1382, 1508, 1885, 2764, 3455, 3770, 6910, 7540, 8983, 13820, 17966, 20039, 35932, 40078, 44915, 80156, 89830, 100195, 179660, 200390, 260507, 400780, 521014, 1042028, 1302535, 2605070, 5210140]

約数ペア:

[(1, 5210140), (2, 2605070), (4, 1302535), (5, 1042028), (10, 521014), (13, 400780), (20, 260507), (26, 200390), (29, 179660), (52, 100195), (58, 89830), (65, 80156), (116, 44915), (130, 40078), (145, 35932), (260, 20039), (290, 17966), (377, 13820), (580, 8983), (691, 7540), (754, 6910), (1382, 3770), (1508, 3455), (1885, 2764)]