72843940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{9661}}^1$

素因数の和:9712

約数の個数: 48

約数和(自身を含む): 170437680

約数和(自身を除く): 97593740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 7540, 9661, 19322, 38644, 48305, 96610, 125593, 193220, 251186, 280169, 502372, 560338, 627965, 1120676, 1255930, 1400845, 2511860, 2801690, 3642197, 5603380, 7284394, 14568788, 18210985, 36421970, 72843940]

約数ペア:

[(1, 72843940), (2, 36421970), (4, 18210985), (5, 14568788), (10, 7284394), (13, 5603380), (20, 3642197), (26, 2801690), (29, 2511860), (52, 1400845), (58, 1255930), (65, 1120676), (116, 627965), (130, 560338), (145, 502372), (260, 280169), (290, 251186), (377, 193220), (580, 125593), (754, 96610), (1508, 48305), (1885, 38644), (3770, 19322), (7540, 9661)]