66310120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{40433}}^1$

素因数の和:40485

約数の個数: 32

約数和(自身を含む): 152840520

約数和(自身を除く): 86530400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 40433, 80866, 161732, 202165, 323464, 404330, 808660, 1617320, 1657753, 3315506, 6631012, 8288765, 13262024, 16577530, 33155060, 66310120]

約数ペア:

[(1, 66310120), (2, 33155060), (4, 16577530), (5, 13262024), (8, 8288765), (10, 6631012), (20, 3315506), (40, 1657753), (41, 1617320), (82, 808660), (164, 404330), (205, 323464), (328, 202165), (410, 161732), (820, 80866), (1640, 40433)]