64307440

素因数分解:

$2^4\times 5^1\times {\mathrm{653}}^1\times {\mathrm{1231}}^1$

素因数の和:1897

約数の個数: 40

約数和(自身を含む): 149865408

約数和(自身を除く): 85557968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 653, 1231, 1306, 2462, 2612, 3265, 4924, 5224, 6155, 6530, 9848, 10448, 12310, 13060, 19696, 24620, 26120, 49240, 52240, 98480, 803843, 1607686, 3215372, 4019215, 6430744, 8038430, 12861488, 16076860, 32153720, 64307440]

約数ペア:

[(1, 64307440), (2, 32153720), (4, 16076860), (5, 12861488), (8, 8038430), (10, 6430744), (16, 4019215), (20, 3215372), (40, 1607686), (80, 803843), (653, 98480), (1231, 52240), (1306, 49240), (2462, 26120), (2612, 24620), (3265, 19696), (4924, 13060), (5224, 12310), (6155, 10448), (6530, 9848)]