25521940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1429}}^1$

素因数の和:1504

約数の個数: 48

約数和(自身を含む): 57657600

約数和(自身を除く): 32135660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 893, 940, 1429, 1786, 2858, 3572, 4465, 5716, 7145, 8930, 14290, 17860, 27151, 28580, 54302, 67163, 108604, 134326, 135755, 268652, 271510, 335815, 543020, 671630, 1276097, 1343260, 2552194, 5104388, 6380485, 12760970, 25521940]

約数ペア:

[(1, 25521940), (2, 12760970), (4, 6380485), (5, 5104388), (10, 2552194), (19, 1343260), (20, 1276097), (38, 671630), (47, 543020), (76, 335815), (94, 271510), (95, 268652), (188, 135755), (190, 134326), (235, 108604), (380, 67163), (470, 54302), (893, 28580), (940, 27151), (1429, 17860), (1786, 14290), (2858, 8930), (3572, 7145), (4465, 5716)]