8820100

素因数分解:

$2^2\times 5^2\times {\mathrm{193}}^1\times {\mathrm{457}}^1$

素因数の和:664

約数の個数: 36

約数和(自身を含む): 19280884

約数和(自身を除く): 10460784

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 193, 386, 457, 772, 914, 965, 1828, 1930, 2285, 3860, 4570, 4825, 9140, 9650, 11425, 19300, 22850, 45700, 88201, 176402, 352804, 441005, 882010, 1764020, 2205025, 4410050, 8820100]

約数ペア:

[(1, 8820100), (2, 4410050), (4, 2205025), (5, 1764020), (10, 882010), (20, 441005), (25, 352804), (50, 176402), (100, 88201), (193, 45700), (386, 22850), (457, 19300), (772, 11425), (914, 9650), (965, 9140), (1828, 4825), (1930, 4570), (2285, 3860)]