64851640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{231613}}^1$

素因数の和:231631

約数の個数: 32

約数和(自身を含む): 166762080

約数和(自身を除く): 101910440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 231613, 463226, 926452, 1158065, 1621291, 1852904, 2316130, 3242582, 4632260, 6485164, 8106455, 9264520, 12970328, 16212910, 32425820, 64851640]

約数ペア:

[(1, 64851640), (2, 32425820), (4, 16212910), (5, 12970328), (7, 9264520), (8, 8106455), (10, 6485164), (14, 4632260), (20, 3242582), (28, 2316130), (35, 1852904), (40, 1621291), (56, 1158065), (70, 926452), (140, 463226), (280, 231613)]