3920008280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3161297}}^1$

素因数の和:3161339

約数の個数: 32

約数和(自身を含む): 9104538240

約数和(自身を除く): 5184529960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 3161297, 6322594, 12645188, 15806485, 25290376, 31612970, 63225940, 98000207, 126451880, 196000414, 392000828, 490001035, 784001656, 980002070, 1960004140, 3920008280]

約数ペア:

[(1, 3920008280), (2, 1960004140), (4, 980002070), (5, 784001656), (8, 490001035), (10, 392000828), (20, 196000414), (31, 126451880), (40, 98000207), (62, 63225940), (124, 31612970), (155, 25290376), (248, 15806485), (310, 12645188), (620, 6322594), (1240, 3161297)]