13858520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{919}}^1$

素因数の和:972

約数の個数: 64

約数和(自身を含む): 34776000

約数和(自身を除く): 20917480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 232, 260, 290, 377, 520, 580, 754, 919, 1160, 1508, 1838, 1885, 3016, 3676, 3770, 4595, 7352, 7540, 9190, 11947, 15080, 18380, 23894, 26651, 36760, 47788, 53302, 59735, 95576, 106604, 119470, 133255, 213208, 238940, 266510, 346463, 477880, 533020, 692926, 1066040, 1385852, 1732315, 2771704, 3464630, 6929260, 13858520]

約数ペア:

[(1, 13858520), (2, 6929260), (4, 3464630), (5, 2771704), (8, 1732315), (10, 1385852), (13, 1066040), (20, 692926), (26, 533020), (29, 477880), (40, 346463), (52, 266510), (58, 238940), (65, 213208), (104, 133255), (116, 119470), (130, 106604), (145, 95576), (232, 59735), (260, 53302), (290, 47788), (377, 36760), (520, 26651), (580, 23894), (754, 18380), (919, 15080), (1160, 11947), (1508, 9190), (1838, 7540), (1885, 7352), (3016, 4595), (3676, 3770)]