25460840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{467}}^1$

素因数の和:554

約数の個数: 64

約数和(自身を含む): 60652800

約数和(自身を除く): 35191960

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 47, 58, 94, 116, 145, 188, 232, 235, 290, 376, 467, 470, 580, 934, 940, 1160, 1363, 1868, 1880, 2335, 2726, 3736, 4670, 5452, 6815, 9340, 10904, 13543, 13630, 18680, 21949, 27086, 27260, 43898, 54172, 54520, 67715, 87796, 108344, 109745, 135430, 175592, 219490, 270860, 438980, 541720, 636521, 877960, 1273042, 2546084, 3182605, 5092168, 6365210, 12730420, 25460840]

約数ペア:

[(1, 25460840), (2, 12730420), (4, 6365210), (5, 5092168), (8, 3182605), (10, 2546084), (20, 1273042), (29, 877960), (40, 636521), (47, 541720), (58, 438980), (94, 270860), (116, 219490), (145, 175592), (188, 135430), (232, 109745), (235, 108344), (290, 87796), (376, 67715), (467, 54520), (470, 54172), (580, 43898), (934, 27260), (940, 27086), (1160, 21949), (1363, 18680), (1868, 13630), (1880, 13543), (2335, 10904), (2726, 9340), (3736, 6815), (4670, 5452)]