201314920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{122753}}^1$

素因数の和:122805

約数の個数: 32

約数和(自身を含む): 464010120

約数和(自身を除く): 262695200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 122753, 245506, 491012, 613765, 982024, 1227530, 2455060, 4910120, 5032873, 10065746, 20131492, 25164365, 40262984, 50328730, 100657460, 201314920]

約数ペア:

[(1, 201314920), (2, 100657460), (4, 50328730), (5, 40262984), (8, 25164365), (10, 20131492), (20, 10065746), (40, 5032873), (41, 4910120), (82, 2455060), (164, 1227530), (205, 982024), (328, 613765), (410, 491012), (820, 245506), (1640, 122753)]