1645240210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{211199}}^1$

素因数の和:211266

約数の個数: 32

約数和(自身を含む): 3193344000

約数和(自身を除く): 1548103790

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 3895, 7790, 211199, 422398, 1055995, 2111990, 4012781, 8025562, 8659159, 17318318, 20063905, 40127810, 43295795, 86591590, 164524021, 329048042, 822620105, 1645240210]

約数ペア:

[(1, 1645240210), (2, 822620105), (5, 329048042), (10, 164524021), (19, 86591590), (38, 43295795), (41, 40127810), (82, 20063905), (95, 17318318), (190, 8659159), (205, 8025562), (410, 4012781), (779, 2111990), (1558, 1055995), (3895, 422398), (7790, 211199)]