25391505

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{53}}^1$

素因数の和:162

約数の個数: 48

約数和(自身を含む): 44660160

約数和(自身を除く): 19268655

約数列:

[1, 3, 5, 15, 19, 41, 53, 57, 95, 123, 159, 205, 265, 285, 615, 779, 795, 1007, 1681, 2173, 2337, 3021, 3895, 5035, 5043, 6519, 8405, 10865, 11685, 15105, 25215, 31939, 32595, 41287, 89093, 95817, 123861, 159695, 206435, 267279, 445465, 479085, 619305, 1336395, 1692767, 5078301, 8463835, 25391505]

約数ペア:

[(1, 25391505), (3, 8463835), (5, 5078301), (15, 1692767), (19, 1336395), (41, 619305), (53, 479085), (57, 445465), (95, 267279), (123, 206435), (159, 159695), (205, 123861), (265, 95817), (285, 89093), (615, 41287), (779, 32595), (795, 31939), (1007, 25215), (1681, 15105), (2173, 11685), (2337, 10865), (3021, 8405), (3895, 6519), (5035, 5043)]