20256738400

素因数分解:

$2^5\times 5^2\times {\mathrm{25320923}}^1$

素因数の和:25320943

約数の個数: 36

約数和(自身を含む): 49451764572

約数和(自身を除く): 29195026172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 25320923, 50641846, 101283692, 126604615, 202567384, 253209230, 405134768, 506418460, 633023075, 810269536, 1012836920, 1266046150, 2025673840, 2532092300, 4051347680, 5064184600, 10128369200, 20256738400]

約数ペア:

[(1, 20256738400), (2, 10128369200), (4, 5064184600), (5, 4051347680), (8, 2532092300), (10, 2025673840), (16, 1266046150), (20, 1012836920), (25, 810269536), (32, 633023075), (40, 506418460), (50, 405134768), (80, 253209230), (100, 202567384), (160, 126604615), (200, 101283692), (400, 50641846), (800, 25320923)]