2100051760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1381613}}^1$

素因数の和:1381645

約数の個数: 40

約数和(自身を含む): 5139604080

約数和(自身を除く): 3039552320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1381613, 2763226, 5526452, 6908065, 11052904, 13816130, 22105808, 26250647, 27632260, 52501294, 55264520, 105002588, 110529040, 131253235, 210005176, 262506470, 420010352, 525012940, 1050025880, 2100051760]

約数ペア:

[(1, 2100051760), (2, 1050025880), (4, 525012940), (5, 420010352), (8, 262506470), (10, 210005176), (16, 131253235), (19, 110529040), (20, 105002588), (38, 55264520), (40, 52501294), (76, 27632260), (80, 26250647), (95, 22105808), (152, 13816130), (190, 11052904), (304, 6908065), (380, 5526452), (760, 2763226), (1520, 1381613)]