25313225

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 39521280

約数和(自身を除く): 14208055

約数列:

[1, 5, 7, 19, 23, 25, 35, 95, 115, 133, 161, 175, 331, 437, 475, 575, 665, 805, 1655, 2185, 2317, 3059, 3325, 4025, 6289, 7613, 8275, 10925, 11585, 15295, 31445, 38065, 44023, 53291, 57925, 76475, 144647, 157225, 190325, 220115, 266455, 723235, 1012529, 1100575, 1332275, 3616175, 5062645, 25313225]

約数ペア:

[(1, 25313225), (5, 5062645), (7, 3616175), (19, 1332275), (23, 1100575), (25, 1012529), (35, 723235), (95, 266455), (115, 220115), (133, 190325), (161, 157225), (175, 144647), (331, 76475), (437, 57925), (475, 53291), (575, 44023), (665, 38065), (805, 31445), (1655, 15295), (2185, 11585), (2317, 10925), (3059, 8275), (3325, 7613), (4025, 6289)]