9578920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{109}}^1$

素因数の和:159

約数の個数: 64

約数和(自身を含む): 23562000

約数和(自身を除く): 13983080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 109, 130, 169, 218, 260, 338, 436, 520, 545, 676, 845, 872, 1090, 1352, 1417, 1690, 2180, 2197, 2834, 3380, 4360, 4394, 5668, 6760, 7085, 8788, 10985, 11336, 14170, 17576, 18421, 21970, 28340, 36842, 43940, 56680, 73684, 87880, 92105, 147368, 184210, 239473, 368420, 478946, 736840, 957892, 1197365, 1915784, 2394730, 4789460, 9578920]

約数ペア:

[(1, 9578920), (2, 4789460), (4, 2394730), (5, 1915784), (8, 1197365), (10, 957892), (13, 736840), (20, 478946), (26, 368420), (40, 239473), (52, 184210), (65, 147368), (104, 92105), (109, 87880), (130, 73684), (169, 56680), (218, 43940), (260, 36842), (338, 28340), (436, 21970), (520, 18421), (545, 17576), (676, 14170), (845, 11336), (872, 10985), (1090, 8788), (1352, 7085), (1417, 6760), (1690, 5668), (2180, 4394), (2197, 4360), (2834, 3380)]