12748707460

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{79451}}^1$

素因数の和:79644

約数の個数: 48

約数和(自身を含む): 27389964672

約数和(自身を除く): 14641257212

約数列:

[1, 2, 4, 5, 10, 20, 71, 113, 142, 226, 284, 355, 452, 565, 710, 1130, 1420, 2260, 8023, 16046, 32092, 40115, 79451, 80230, 158902, 160460, 317804, 397255, 794510, 1589020, 5641021, 8977963, 11282042, 17955926, 22564084, 28205105, 35911852, 44889815, 56410210, 89779630, 112820420, 179559260, 637435373, 1274870746, 2549741492, 3187176865, 6374353730, 12748707460]

約数ペア:

[(1, 12748707460), (2, 6374353730), (4, 3187176865), (5, 2549741492), (10, 1274870746), (20, 637435373), (71, 179559260), (113, 112820420), (142, 89779630), (226, 56410210), (284, 44889815), (355, 35911852), (452, 28205105), (565, 22564084), (710, 17955926), (1130, 11282042), (1420, 8977963), (2260, 5641021), (8023, 1589020), (16046, 794510), (32092, 397255), (40115, 317804), (79451, 160460), (80230, 158902)]