22251640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{761}}^1$

素因数の和:832

約数の個数: 64

約数和(自身を含む): 54315360

約数和(自身を除く): 32063720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 136, 170, 172, 215, 340, 344, 430, 680, 731, 761, 860, 1462, 1522, 1720, 2924, 3044, 3655, 3805, 5848, 6088, 7310, 7610, 12937, 14620, 15220, 25874, 29240, 30440, 32723, 51748, 64685, 65446, 103496, 129370, 130892, 163615, 258740, 261784, 327230, 517480, 556291, 654460, 1112582, 1308920, 2225164, 2781455, 4450328, 5562910, 11125820, 22251640]

約数ペア:

[(1, 22251640), (2, 11125820), (4, 5562910), (5, 4450328), (8, 2781455), (10, 2225164), (17, 1308920), (20, 1112582), (34, 654460), (40, 556291), (43, 517480), (68, 327230), (85, 261784), (86, 258740), (136, 163615), (170, 130892), (172, 129370), (215, 103496), (340, 65446), (344, 64685), (430, 51748), (680, 32723), (731, 30440), (761, 29240), (860, 25874), (1462, 15220), (1522, 14620), (1720, 12937), (2924, 7610), (3044, 7310), (3655, 6088), (3805, 5848)]