135219640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^2\times {\mathrm{2011}}^1$

素因数の和:2104

約数の個数: 48

約数和(自身を含む): 312000840

約数和(自身を除く): 176781200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 1681, 2011, 3362, 4022, 6724, 8044, 8405, 10055, 13448, 16088, 16810, 20110, 33620, 40220, 67240, 80440, 82451, 164902, 329804, 412255, 659608, 824510, 1649020, 3298040, 3380491, 6760982, 13521964, 16902455, 27043928, 33804910, 67609820, 135219640]

約数ペア:

[(1, 135219640), (2, 67609820), (4, 33804910), (5, 27043928), (8, 16902455), (10, 13521964), (20, 6760982), (40, 3380491), (41, 3298040), (82, 1649020), (164, 824510), (205, 659608), (328, 412255), (410, 329804), (820, 164902), (1640, 82451), (1681, 80440), (2011, 67240), (3362, 40220), (4022, 33620), (6724, 20110), (8044, 16810), (8405, 16088), (10055, 13448)]