56495140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1439}}^1$

素因数の和:1612

約数の個数: 48

約数和(自身を含む): 128701440

約数和(自身を除く): 72206300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 151, 260, 302, 604, 755, 1439, 1510, 1963, 2878, 3020, 3926, 5756, 7195, 7852, 9815, 14390, 18707, 19630, 28780, 37414, 39260, 74828, 93535, 187070, 217289, 374140, 434578, 869156, 1086445, 2172890, 2824757, 4345780, 5649514, 11299028, 14123785, 28247570, 56495140]

約数ペア:

[(1, 56495140), (2, 28247570), (4, 14123785), (5, 11299028), (10, 5649514), (13, 4345780), (20, 2824757), (26, 2172890), (52, 1086445), (65, 869156), (130, 434578), (151, 374140), (260, 217289), (302, 187070), (604, 93535), (755, 74828), (1439, 39260), (1510, 37414), (1963, 28780), (2878, 19630), (3020, 18707), (3926, 14390), (5756, 9815), (7195, 7852)]