39341560

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 91951200

約数和(自身を除く): 52609640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 89, 172, 178, 215, 257, 344, 356, 430, 445, 514, 712, 860, 890, 1028, 1285, 1720, 1780, 2056, 2570, 3560, 3827, 5140, 7654, 10280, 11051, 15308, 19135, 22102, 22873, 30616, 38270, 44204, 45746, 55255, 76540, 88408, 91492, 110510, 114365, 153080, 182984, 221020, 228730, 442040, 457460, 914920, 983539, 1967078, 3934156, 4917695, 7868312, 9835390, 19670780, 39341560]

約数ペア:

[(1, 39341560), (2, 19670780), (4, 9835390), (5, 7868312), (8, 4917695), (10, 3934156), (20, 1967078), (40, 983539), (43, 914920), (86, 457460), (89, 442040), (172, 228730), (178, 221020), (215, 182984), (257, 153080), (344, 114365), (356, 110510), (430, 91492), (445, 88408), (514, 76540), (712, 55255), (860, 45746), (890, 44204), (1028, 38270), (1285, 30616), (1720, 22873), (1780, 22102), (2056, 19135), (2570, 15308), (3560, 11051), (3827, 10280), (5140, 7654)]