121525640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{74101}}^1$

素因数の和:74153

約数の個数: 32

約数和(自身を含む): 280105560

約数和(自身を除く): 158579920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 74101, 148202, 296404, 370505, 592808, 741010, 1482020, 2964040, 3038141, 6076282, 12152564, 15190705, 24305128, 30381410, 60762820, 121525640]

約数ペア:

[(1, 121525640), (2, 60762820), (4, 30381410), (5, 24305128), (8, 15190705), (10, 12152564), (20, 6076282), (40, 3038141), (41, 2964040), (82, 1482020), (164, 741010), (205, 592808), (328, 370505), (410, 296404), (820, 148202), (1640, 74101)]