417916280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{254827}}^1$

素因数の和:254879

約数の個数: 32

約数和(自身を含む): 963249840

約数和(自身を除く): 545333560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 254827, 509654, 1019308, 1274135, 2038616, 2548270, 5096540, 10193080, 10447907, 20895814, 41791628, 52239535, 83583256, 104479070, 208958140, 417916280]

約数ペア:

[(1, 417916280), (2, 208958140), (4, 104479070), (5, 83583256), (8, 52239535), (10, 41791628), (20, 20895814), (40, 10447907), (41, 10193080), (82, 5096540), (164, 2548270), (205, 2038616), (328, 1274135), (410, 1019308), (820, 509654), (1640, 254827)]