331482880

素因数分解:

$2^8\times 5^1\times {\mathrm{258971}}^1$

素因数の和:258992

約数の個数: 36

約数和(自身を含む): 794008152

約数和(自身を除く): 462525272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 258971, 517942, 1035884, 1294855, 2071768, 2589710, 4143536, 5179420, 8287072, 10358840, 16574144, 20717680, 33148288, 41435360, 66296576, 82870720, 165741440, 331482880]

約数ペア:

[(1, 331482880), (2, 165741440), (4, 82870720), (5, 66296576), (8, 41435360), (10, 33148288), (16, 20717680), (20, 16574144), (32, 10358840), (40, 8287072), (64, 5179420), (80, 4143536), (128, 2589710), (160, 2071768), (256, 1294855), (320, 1035884), (640, 517942), (1280, 258971)]