39623740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{617}}^1$

素因数の和:671

約数の個数: 72

約数和(自身を含む): 94998960

約数和(自身を除く): 55375220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 169, 190, 247, 260, 338, 380, 494, 617, 676, 845, 988, 1234, 1235, 1690, 2468, 2470, 3085, 3211, 3380, 4940, 6170, 6422, 8021, 11723, 12340, 12844, 16042, 16055, 23446, 32084, 32110, 40105, 46892, 58615, 64220, 80210, 104273, 117230, 152399, 160420, 208546, 234460, 304798, 417092, 521365, 609596, 761995, 1042730, 1523990, 1981187, 2085460, 3047980, 3962374, 7924748, 9905935, 19811870, 39623740]

約数ペア:

[(1, 39623740), (2, 19811870), (4, 9905935), (5, 7924748), (10, 3962374), (13, 3047980), (19, 2085460), (20, 1981187), (26, 1523990), (38, 1042730), (52, 761995), (65, 609596), (76, 521365), (95, 417092), (130, 304798), (169, 234460), (190, 208546), (247, 160420), (260, 152399), (338, 117230), (380, 104273), (494, 80210), (617, 64220), (676, 58615), (845, 46892), (988, 40105), (1234, 32110), (1235, 32084), (1690, 23446), (2468, 16055), (2470, 16042), (3085, 12844), (3211, 12340), (3380, 11723), (4940, 8021), (6170, 6422)]