40398380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{3907}}^1$

素因数の和:3974

約数の個数: 48

約数和(自身を含む): 94542336

約数和(自身を除く): 54143956

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 3907, 5170, 7814, 10340, 15628, 19535, 39070, 42977, 78140, 85954, 171908, 183629, 214885, 367258, 429770, 734516, 859540, 918145, 1836290, 2019919, 3672580, 4039838, 8079676, 10099595, 20199190, 40398380]

約数ペア:

[(1, 40398380), (2, 20199190), (4, 10099595), (5, 8079676), (10, 4039838), (11, 3672580), (20, 2019919), (22, 1836290), (44, 918145), (47, 859540), (55, 734516), (94, 429770), (110, 367258), (188, 214885), (220, 183629), (235, 171908), (470, 85954), (517, 78140), (940, 42977), (1034, 39070), (2068, 19535), (2585, 15628), (3907, 10340), (5170, 7814)]