631553680

素因数分解:

$2^4\times 5^1\times {\mathrm{1583}}^1\times {\mathrm{4987}}^1$

素因数の和:6583

約数の個数: 40

約数和(自身を含む): 1469584512

約数和(自身を除く): 838030832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1583, 3166, 4987, 6332, 7915, 9974, 12664, 15830, 19948, 24935, 25328, 31660, 39896, 49870, 63320, 79792, 99740, 126640, 199480, 398960, 7894421, 15788842, 31577684, 39472105, 63155368, 78944210, 126310736, 157888420, 315776840, 631553680]

約数ペア:

[(1, 631553680), (2, 315776840), (4, 157888420), (5, 126310736), (8, 78944210), (10, 63155368), (16, 39472105), (20, 31577684), (40, 15788842), (80, 7894421), (1583, 398960), (3166, 199480), (4987, 126640), (6332, 99740), (7915, 79792), (9974, 63320), (12664, 49870), (15830, 39896), (19948, 31660), (24935, 25328)]