628045160

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{81353}}^1$

素因数の和:81557

約数の個数: 32

約数和(自身を含む): 1420440840

約数和(自身を除く): 792395680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 81353, 162706, 325412, 406765, 650824, 813530, 1627060, 3254120, 15701129, 31402258, 62804516, 78505645, 125609032, 157011290, 314022580, 628045160]

約数ペア:

[(1, 628045160), (2, 314022580), (4, 157011290), (5, 125609032), (8, 78505645), (10, 62804516), (20, 31402258), (40, 15701129), (193, 3254120), (386, 1627060), (772, 813530), (965, 650824), (1544, 406765), (1930, 325412), (3860, 162706), (7720, 81353)]