161627740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{3719}}^1$

素因数の和:3822

約数の個数: 48

約数和(自身を含む): 354352320

約数和(自身を除く): 192724580

約数列:

[1, 2, 4, 5, 10, 20, 41, 53, 82, 106, 164, 205, 212, 265, 410, 530, 820, 1060, 2173, 3719, 4346, 7438, 8692, 10865, 14876, 18595, 21730, 37190, 43460, 74380, 152479, 197107, 304958, 394214, 609916, 762395, 788428, 985535, 1524790, 1971070, 3049580, 3942140, 8081387, 16162774, 32325548, 40406935, 80813870, 161627740]

約数ペア:

[(1, 161627740), (2, 80813870), (4, 40406935), (5, 32325548), (10, 16162774), (20, 8081387), (41, 3942140), (53, 3049580), (82, 1971070), (106, 1524790), (164, 985535), (205, 788428), (212, 762395), (265, 609916), (410, 394214), (530, 304958), (820, 197107), (1060, 152479), (2173, 74380), (3719, 43460), (4346, 37190), (7438, 21730), (8692, 18595), (10865, 14876)]