2951661520

素因数分解:

$2^4\times 5^1\times {\mathrm{2689}}^1\times {\mathrm{13721}}^1$

素因数の和:16423

約数の個数: 40

約数和(自身を含む): 6865665480

約数和(自身を除く): 3914003960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2689, 5378, 10756, 13445, 13721, 21512, 26890, 27442, 43024, 53780, 54884, 68605, 107560, 109768, 137210, 215120, 219536, 274420, 548840, 1097680, 36895769, 73791538, 147583076, 184478845, 295166152, 368957690, 590332304, 737915380, 1475830760, 2951661520]

約数ペア:

[(1, 2951661520), (2, 1475830760), (4, 737915380), (5, 590332304), (8, 368957690), (10, 295166152), (16, 184478845), (20, 147583076), (40, 73791538), (80, 36895769), (2689, 1097680), (5378, 548840), (10756, 274420), (13445, 219536), (13721, 215120), (21512, 137210), (26890, 109768), (27442, 107560), (43024, 68605), (53780, 54884)]