105866920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{64553}}^1$

素因数の和:64605

約数の個数: 32

約数和(自身を含む): 244014120

約数和(自身を除く): 138147200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 64553, 129106, 258212, 322765, 516424, 645530, 1291060, 2582120, 2646673, 5293346, 10586692, 13233365, 21173384, 26466730, 52933460, 105866920]

約数ペア:

[(1, 105866920), (2, 52933460), (4, 26466730), (5, 21173384), (8, 13233365), (10, 10586692), (20, 5293346), (40, 2646673), (41, 2582120), (82, 1291060), (164, 645530), (205, 516424), (328, 322765), (410, 258212), (820, 129106), (1640, 64553)]