640848838870

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{653}}^1\times {\mathrm{1608839}}^1$

素因数の和:1609560

約数の個数: 32

約数和(自身を含む): 1174234397760

約数和(自身を除く): 533385558890

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 653, 1306, 3265, 6530, 39833, 79666, 199165, 398330, 1608839, 3217678, 8044195, 16088390, 98139179, 196278358, 490695895, 981391790, 1050571867, 2101143734, 5252859335, 10505718670, 64084883887, 128169767774, 320424419435, 640848838870]

約数ペア:

[(1, 640848838870), (2, 320424419435), (5, 128169767774), (10, 64084883887), (61, 10505718670), (122, 5252859335), (305, 2101143734), (610, 1050571867), (653, 981391790), (1306, 490695895), (3265, 196278358), (6530, 98139179), (39833, 16088390), (79666, 8044195), (199165, 3217678), (398330, 1608839)]