201501880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{122867}}^1$

素因数の和:122919

約数の個数: 32

約数和(自身を含む): 464441040

約数和(自身を除く): 262939160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 122867, 245734, 491468, 614335, 982936, 1228670, 2457340, 4914680, 5037547, 10075094, 20150188, 25187735, 40300376, 50375470, 100750940, 201501880]

約数ペア:

[(1, 201501880), (2, 100750940), (4, 50375470), (5, 40300376), (8, 25187735), (10, 20150188), (20, 10075094), (40, 5037547), (41, 4914680), (82, 2457340), (164, 1228670), (205, 982936), (328, 614335), (410, 491468), (820, 245734), (1640, 122867)]