201642920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{122953}}^1$

素因数の和:123005

約数の個数: 32

約数和(自身を含む): 464766120

約数和(自身を除く): 263123200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 122953, 245906, 491812, 614765, 983624, 1229530, 2459060, 4918120, 5041073, 10082146, 20164292, 25205365, 40328584, 50410730, 100821460, 201642920]

約数ペア:

[(1, 201642920), (2, 100821460), (4, 50410730), (5, 40328584), (8, 25205365), (10, 20164292), (20, 10082146), (40, 5041073), (41, 4918120), (82, 2459060), (164, 1229530), (205, 983624), (328, 614765), (410, 491812), (820, 245906), (1640, 122953)]