1655120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1217}}^1$

素因数の和:1247

約数の個数: 40

約数和(自身を含む): 4077864

約数和(自身を除く): 2422744

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1217, 1360, 2434, 4868, 6085, 9736, 12170, 19472, 20689, 24340, 41378, 48680, 82756, 97360, 103445, 165512, 206890, 331024, 413780, 827560, 1655120]

約数ペア:

[(1, 1655120), (2, 827560), (4, 413780), (5, 331024), (8, 206890), (10, 165512), (16, 103445), (17, 97360), (20, 82756), (34, 48680), (40, 41378), (68, 24340), (80, 20689), (85, 19472), (136, 12170), (170, 9736), (272, 6085), (340, 4868), (680, 2434), (1217, 1360)]