1275160

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:531

約数の個数: 32

約数和(自身を含む): 2916000

約数和(自身を除く): 1640840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 449, 568, 710, 898, 1420, 1796, 2245, 2840, 3592, 4490, 8980, 17960, 31879, 63758, 127516, 159395, 255032, 318790, 637580, 1275160]

約数ペア:

[(1, 1275160), (2, 637580), (4, 318790), (5, 255032), (8, 159395), (10, 127516), (20, 63758), (40, 31879), (71, 17960), (142, 8980), (284, 4490), (355, 3592), (449, 2840), (568, 2245), (710, 1796), (898, 1420)]