65218760

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{26729}}^1$

素因数の和:26801

約数の個数: 32

約数和(自身を含む): 149153400

約数和(自身を除く): 83934640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 26729, 53458, 106916, 133645, 213832, 267290, 534580, 1069160, 1630469, 3260938, 6521876, 8152345, 13043752, 16304690, 32609380, 65218760]

約数ペア:

[(1, 65218760), (2, 32609380), (4, 16304690), (5, 13043752), (8, 8152345), (10, 6521876), (20, 3260938), (40, 1630469), (61, 1069160), (122, 534580), (244, 267290), (305, 213832), (488, 133645), (610, 106916), (1220, 53458), (2440, 26729)]