65454280

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{10039}}^1$

素因数の和:10213

約数の個数: 32

約数和(自身を含む): 148190400

約数和(自身を除く): 82736120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 10039, 20078, 40156, 50195, 80312, 100390, 200780, 401560, 1636357, 3272714, 6545428, 8181785, 13090856, 16363570, 32727140, 65454280]

約数ペア:

[(1, 65454280), (2, 32727140), (4, 16363570), (5, 13090856), (8, 8181785), (10, 6545428), (20, 3272714), (40, 1636357), (163, 401560), (326, 200780), (652, 100390), (815, 80312), (1304, 50195), (1630, 40156), (3260, 20078), (6520, 10039)]