200814280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{161947}}^1$

素因数の和:161989

約数の個数: 32

約数和(自身を含む): 466410240

約数和(自身を除く): 265595960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 161947, 323894, 647788, 809735, 1295576, 1619470, 3238940, 5020357, 6477880, 10040714, 20081428, 25101785, 40162856, 50203570, 100407140, 200814280]

約数ペア:

[(1, 200814280), (2, 100407140), (4, 50203570), (5, 40162856), (8, 25101785), (10, 20081428), (20, 10040714), (31, 6477880), (40, 5020357), (62, 3238940), (124, 1619470), (155, 1295576), (248, 809735), (310, 647788), (620, 323894), (1240, 161947)]