8665240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12743}}^1$

素因数の和:12771

約数の個数: 32

約数和(自身を含む): 20645280

約数和(自身を除く): 11980040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 12743, 25486, 50972, 63715, 101944, 127430, 216631, 254860, 433262, 509720, 866524, 1083155, 1733048, 2166310, 4332620, 8665240]

約数ペア:

[(1, 8665240), (2, 4332620), (4, 2166310), (5, 1733048), (8, 1083155), (10, 866524), (17, 509720), (20, 433262), (34, 254860), (40, 216631), (68, 127430), (85, 101944), (136, 63715), (170, 50972), (340, 25486), (680, 12743)]