22497400

素因数分解:

$2^3\times 5^2\times {\mathrm{197}}^1\times {\mathrm{571}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 52664040

約数和(自身を除く): 30166640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 197, 200, 394, 571, 788, 985, 1142, 1576, 1970, 2284, 2855, 3940, 4568, 4925, 5710, 7880, 9850, 11420, 14275, 19700, 22840, 28550, 39400, 57100, 112487, 114200, 224974, 449948, 562435, 899896, 1124870, 2249740, 2812175, 4499480, 5624350, 11248700, 22497400]

約数ペア:

[(1, 22497400), (2, 11248700), (4, 5624350), (5, 4499480), (8, 2812175), (10, 2249740), (20, 1124870), (25, 899896), (40, 562435), (50, 449948), (100, 224974), (197, 114200), (200, 112487), (394, 57100), (571, 39400), (788, 28550), (985, 22840), (1142, 19700), (1576, 14275), (1970, 11420), (2284, 9850), (2855, 7880), (3940, 5710), (4568, 4925)]