31575125

素因数分解:

$5^3\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:218

約数の個数: 32

約数和(自身を含む): 41434848

約数和(自身を除く): 9859723

約数列:

[1, 5, 25, 41, 61, 101, 125, 205, 305, 505, 1025, 1525, 2501, 2525, 4141, 5125, 6161, 7625, 12505, 12625, 20705, 30805, 62525, 103525, 154025, 252601, 312625, 517625, 770125, 1263005, 6315025, 31575125]

約数ペア:

[(1, 31575125), (5, 6315025), (25, 1263005), (41, 770125), (61, 517625), (101, 312625), (125, 252601), (205, 154025), (305, 103525), (505, 62525), (1025, 30805), (1525, 20705), (2501, 12625), (2525, 12505), (4141, 7625), (5125, 6161)]