28585160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:486

約数の個数: 64

約数和(自身を含む): 68843520

約数和(自身を除く): 40258360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 127, 136, 170, 254, 331, 340, 508, 635, 662, 680, 1016, 1270, 1324, 1655, 2159, 2540, 2648, 3310, 4318, 5080, 5627, 6620, 8636, 10795, 11254, 13240, 17272, 21590, 22508, 28135, 42037, 43180, 45016, 56270, 84074, 86360, 112540, 168148, 210185, 225080, 336296, 420370, 714629, 840740, 1429258, 1681480, 2858516, 3573145, 5717032, 7146290, 14292580, 28585160]

約数ペア:

[(1, 28585160), (2, 14292580), (4, 7146290), (5, 5717032), (8, 3573145), (10, 2858516), (17, 1681480), (20, 1429258), (34, 840740), (40, 714629), (68, 420370), (85, 336296), (127, 225080), (136, 210185), (170, 168148), (254, 112540), (331, 86360), (340, 84074), (508, 56270), (635, 45016), (662, 43180), (680, 42037), (1016, 28135), (1270, 22508), (1324, 21590), (1655, 17272), (2159, 13240), (2540, 11254), (2648, 10795), (3310, 8636), (4318, 6620), (5080, 5627)]