1640888830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1233751}}^1$

素因数の和:1233784

約数の個数: 32

約数和(自身を含む): 3553205760

約数和(自身を除く): 1912316930

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 1233751, 2467502, 6168755, 8636257, 12337510, 17272514, 23441269, 43181285, 46882538, 86362570, 117206345, 164088883, 234412690, 328177766, 820444415, 1640888830]

約数ペア:

[(1, 1640888830), (2, 820444415), (5, 328177766), (7, 234412690), (10, 164088883), (14, 117206345), (19, 86362570), (35, 46882538), (38, 43181285), (70, 23441269), (95, 17272514), (133, 12337510), (190, 8636257), (266, 6168755), (665, 2467502), (1330, 1233751)]