81482050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1871}}^1$

素因数の和:1963

約数の個数: 48

約数和(自身を含む): 165739392

約数和(自身を除く): 84257342

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 67, 130, 134, 325, 335, 650, 670, 871, 1675, 1742, 1871, 3350, 3742, 4355, 8710, 9355, 18710, 21775, 24323, 43550, 46775, 48646, 93550, 121615, 125357, 243230, 250714, 608075, 626785, 1216150, 1253570, 1629641, 3133925, 3259282, 6267850, 8148205, 16296410, 40741025, 81482050]

約数ペア:

[(1, 81482050), (2, 40741025), (5, 16296410), (10, 8148205), (13, 6267850), (25, 3259282), (26, 3133925), (50, 1629641), (65, 1253570), (67, 1216150), (130, 626785), (134, 608075), (325, 250714), (335, 243230), (650, 125357), (670, 121615), (871, 93550), (1675, 48646), (1742, 46775), (1871, 43550), (3350, 24323), (3742, 21775), (4355, 18710), (8710, 9355)]