12189680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8963}}^1$

素因数の和:8993

約数の個数: 40

約数和(自身を含む): 30011472

約数和(自身を除く): 17821792

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 8963, 17926, 35852, 44815, 71704, 89630, 143408, 152371, 179260, 304742, 358520, 609484, 717040, 761855, 1218968, 1523710, 2437936, 3047420, 6094840, 12189680]

約数ペア:

[(1, 12189680), (2, 6094840), (4, 3047420), (5, 2437936), (8, 1523710), (10, 1218968), (16, 761855), (17, 717040), (20, 609484), (34, 358520), (40, 304742), (68, 179260), (80, 152371), (85, 143408), (136, 89630), (170, 71704), (272, 44815), (340, 35852), (680, 17926), (1360, 8963)]