12730420

素因数分解:

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

素因数の和:552

約数の個数: 48

約数和(自身を含む): 28304640

約数和(自身を除く): 15574220

約数列:

[1, 2, 4, 5, 10, 20, 29, 47, 58, 94, 116, 145, 188, 235, 290, 467, 470, 580, 934, 940, 1363, 1868, 2335, 2726, 4670, 5452, 6815, 9340, 13543, 13630, 21949, 27086, 27260, 43898, 54172, 67715, 87796, 109745, 135430, 219490, 270860, 438980, 636521, 1273042, 2546084, 3182605, 6365210, 12730420]

約数ペア:

[(1, 12730420), (2, 6365210), (4, 3182605), (5, 2546084), (10, 1273042), (20, 636521), (29, 438980), (47, 270860), (58, 219490), (94, 135430), (116, 109745), (145, 87796), (188, 67715), (235, 54172), (290, 43898), (467, 27260), (470, 27086), (580, 21949), (934, 13630), (940, 13543), (1363, 9340), (1868, 6815), (2335, 5452), (2726, 4670)]