40506125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 55935360

約数和(自身を除く): 15429235

約数列:

[1, 5, 11, 25, 55, 89, 125, 275, 331, 445, 979, 1375, 1655, 2225, 3641, 4895, 8275, 11125, 18205, 24475, 29459, 41375, 91025, 122375, 147295, 324049, 455125, 736475, 1620245, 3682375, 8101225, 40506125]

約数ペア:

[(1, 40506125), (5, 8101225), (11, 3682375), (25, 1620245), (55, 736475), (89, 455125), (125, 324049), (275, 147295), (331, 122375), (445, 91025), (979, 41375), (1375, 29459), (1655, 24475), (2225, 18205), (3641, 11125), (4895, 8275)]