48690280

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{3889}}^1$

素因数の和:4213

約数の個数: 32

約数和(自身を含む): 109931400

約数和(自身を除く): 61241120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 3889, 6260, 7778, 12520, 15556, 19445, 31112, 38890, 77780, 155560, 1217257, 2434514, 4869028, 6086285, 9738056, 12172570, 24345140, 48690280]

約数ペア:

[(1, 48690280), (2, 24345140), (4, 12172570), (5, 9738056), (8, 6086285), (10, 4869028), (20, 2434514), (40, 1217257), (313, 155560), (626, 77780), (1252, 38890), (1565, 31112), (2504, 19445), (3130, 15556), (3889, 12520), (6260, 7778)]