65507360

素因数分解:

$2^5\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1021}}^1$

素因数の和:1437

約数の個数: 48

約数和(自身を含む): 155299032

約数和(自身を除く): 89791672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 401, 802, 1021, 1604, 2005, 2042, 3208, 4010, 4084, 5105, 6416, 8020, 8168, 10210, 12832, 16040, 16336, 20420, 32080, 32672, 40840, 64160, 81680, 163360, 409421, 818842, 1637684, 2047105, 3275368, 4094210, 6550736, 8188420, 13101472, 16376840, 32753680, 65507360]

約数ペア:

[(1, 65507360), (2, 32753680), (4, 16376840), (5, 13101472), (8, 8188420), (10, 6550736), (16, 4094210), (20, 3275368), (32, 2047105), (40, 1637684), (80, 818842), (160, 409421), (401, 163360), (802, 81680), (1021, 64160), (1604, 40840), (2005, 32672), (2042, 32080), (3208, 20420), (4010, 16336), (4084, 16040), (5105, 12832), (6416, 10210), (8020, 8168)]