81253850

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{263}}^1$

素因数の和:479

約数の個数: 48

約数和(自身を含む): 156739968

約数和(自身を除く): 75486118

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 167, 185, 263, 334, 370, 526, 835, 925, 1315, 1670, 1850, 2630, 4175, 6179, 6575, 8350, 9731, 12358, 13150, 19462, 30895, 43921, 48655, 61790, 87842, 97310, 154475, 219605, 243275, 308950, 439210, 486550, 1098025, 1625077, 2196050, 3250154, 8125385, 16250770, 40626925, 81253850]

約数ペア:

[(1, 81253850), (2, 40626925), (5, 16250770), (10, 8125385), (25, 3250154), (37, 2196050), (50, 1625077), (74, 1098025), (167, 486550), (185, 439210), (263, 308950), (334, 243275), (370, 219605), (526, 154475), (835, 97310), (925, 87842), (1315, 61790), (1670, 48655), (1850, 43921), (2630, 30895), (4175, 19462), (6179, 13150), (6575, 12358), (8350, 9731)]