8889643640

素因数分解:

$2^3\times 5^1\times {\mathrm{2473}}^1\times {\mathrm{89867}}^1$

素因数の和:92351

約数の個数: 32

約数和(自身を含む): 20010008880

約数和(自身を除く): 11120365240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2473, 4946, 9892, 12365, 19784, 24730, 49460, 89867, 98920, 179734, 359468, 449335, 718936, 898670, 1797340, 3594680, 222241091, 444482182, 888964364, 1111205455, 1777928728, 2222410910, 4444821820, 8889643640]

約数ペア:

[(1, 8889643640), (2, 4444821820), (4, 2222410910), (5, 1777928728), (8, 1111205455), (10, 888964364), (20, 444482182), (40, 222241091), (2473, 3594680), (4946, 1797340), (9892, 898670), (12365, 718936), (19784, 449335), (24730, 359468), (49460, 179734), (89867, 98920)]