80521375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{373}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 110620224

約数和(自身を除く): 30098849

約数列:

[1, 5, 11, 25, 55, 125, 157, 275, 373, 785, 1375, 1727, 1865, 3925, 4103, 8635, 9325, 19625, 20515, 43175, 46625, 58561, 102575, 215875, 292805, 512875, 644171, 1464025, 3220855, 7320125, 16104275, 80521375]

約数ペア:

[(1, 80521375), (5, 16104275), (11, 7320125), (25, 3220855), (55, 1464025), (125, 644171), (157, 512875), (275, 292805), (373, 215875), (785, 102575), (1375, 58561), (1727, 46625), (1865, 43175), (3925, 20515), (4103, 19625), (8635, 9325)]