25246520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1033}}^1$

素因数の和:1104

約数の個数: 64

約数和(自身を含む): 62536320

約数和(自身を除く): 37289800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 376, 470, 520, 611, 940, 1033, 1222, 1880, 2066, 2444, 3055, 4132, 4888, 5165, 6110, 8264, 10330, 12220, 13429, 20660, 24440, 26858, 41320, 48551, 53716, 67145, 97102, 107432, 134290, 194204, 242755, 268580, 388408, 485510, 537160, 631163, 971020, 1262326, 1942040, 2524652, 3155815, 5049304, 6311630, 12623260, 25246520]

約数ペア:

[(1, 25246520), (2, 12623260), (4, 6311630), (5, 5049304), (8, 3155815), (10, 2524652), (13, 1942040), (20, 1262326), (26, 971020), (40, 631163), (47, 537160), (52, 485510), (65, 388408), (94, 268580), (104, 242755), (130, 194204), (188, 134290), (235, 107432), (260, 97102), (376, 67145), (470, 53716), (520, 48551), (611, 41320), (940, 26858), (1033, 24440), (1222, 20660), (1880, 13429), (2066, 12220), (2444, 10330), (3055, 8264), (4132, 6110), (4888, 5165)]