261569240

素因数分解:

$2^3\times 5^1\times {\mathrm{929}}^1\times {\mathrm{7039}}^1$

素因数の和:7979

約数の個数: 32

約数和(自身を含む): 589248000

約数和(自身を除く): 327678760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 929, 1858, 3716, 4645, 7039, 7432, 9290, 14078, 18580, 28156, 35195, 37160, 56312, 70390, 140780, 281560, 6539231, 13078462, 26156924, 32696155, 52313848, 65392310, 130784620, 261569240]

約数ペア:

[(1, 261569240), (2, 130784620), (4, 65392310), (5, 52313848), (8, 32696155), (10, 26156924), (20, 13078462), (40, 6539231), (929, 281560), (1858, 140780), (3716, 70390), (4645, 56312), (7039, 37160), (7432, 35195), (9290, 28156), (14078, 18580)]