160992500

素因数分解:

$2^2\times 5^4\times {\mathrm{71}}^1\times {\mathrm{907}}^1$

素因数の和:1002

約数の個数: 60

約数和(自身を含む): 357410592

約数和(自身を除く): 196418092

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 125, 142, 250, 284, 355, 500, 625, 710, 907, 1250, 1420, 1775, 1814, 2500, 3550, 3628, 4535, 7100, 8875, 9070, 17750, 18140, 22675, 35500, 44375, 45350, 64397, 88750, 90700, 113375, 128794, 177500, 226750, 257588, 321985, 453500, 566875, 643970, 1133750, 1287940, 1609925, 2267500, 3219850, 6439700, 8049625, 16099250, 32198500, 40248125, 80496250, 160992500]

約数ペア:

[(1, 160992500), (2, 80496250), (4, 40248125), (5, 32198500), (10, 16099250), (20, 8049625), (25, 6439700), (50, 3219850), (71, 2267500), (100, 1609925), (125, 1287940), (142, 1133750), (250, 643970), (284, 566875), (355, 453500), (500, 321985), (625, 257588), (710, 226750), (907, 177500), (1250, 128794), (1420, 113375), (1775, 90700), (1814, 88750), (2500, 64397), (3550, 45350), (3628, 44375), (4535, 35500), (7100, 22675), (8875, 18140), (9070, 17750)]