19554966040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28757303}}^1$

素因数の和:28757331

約数の個数: 32

約数和(自身を含む): 46586832480

約数和(自身を除く): 27031866440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 28757303, 57514606, 115029212, 143786515, 230058424, 287573030, 488874151, 575146060, 977748302, 1150292120, 1955496604, 2444370755, 3910993208, 4888741510, 9777483020, 19554966040]

約数ペア:

[(1, 19554966040), (2, 9777483020), (4, 4888741510), (5, 3910993208), (8, 2444370755), (10, 1955496604), (17, 1150292120), (20, 977748302), (34, 575146060), (40, 488874151), (68, 287573030), (85, 230058424), (136, 143786515), (170, 115029212), (340, 57514606), (680, 28757303)]