8682740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 20248704

約数和(自身を除く): 11565964

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 647, 671, 1220, 1294, 1342, 2588, 2684, 3235, 3355, 6470, 6710, 7117, 12940, 13420, 14234, 28468, 35585, 39467, 71170, 78934, 142340, 157868, 197335, 394670, 434137, 789340, 868274, 1736548, 2170685, 4341370, 8682740]

約数ペア:

[(1, 8682740), (2, 4341370), (4, 2170685), (5, 1736548), (10, 868274), (11, 789340), (20, 434137), (22, 394670), (44, 197335), (55, 157868), (61, 142340), (110, 78934), (122, 71170), (220, 39467), (244, 35585), (305, 28468), (610, 14234), (647, 13420), (671, 12940), (1220, 7117), (1294, 6710), (1342, 6470), (2588, 3355), (2684, 3235)]