401045125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 566092800

約数和(自身を除く): 165047675

約数列:

[1, 5, 13, 25, 47, 59, 65, 89, 125, 235, 295, 325, 445, 611, 767, 1157, 1175, 1475, 1625, 2225, 2773, 3055, 3835, 4183, 5251, 5785, 5875, 7375, 11125, 13865, 15275, 19175, 20915, 26255, 28925, 36049, 54379, 68263, 69325, 76375, 95875, 104575, 131275, 144625, 180245, 246797, 271895, 341315, 346625, 522875, 656375, 901225, 1233985, 1359475, 1706575, 3208361, 4506125, 6169925, 6797375, 8532875, 16041805, 30849625, 80209025, 401045125]

約数ペア:

[(1, 401045125), (5, 80209025), (13, 30849625), (25, 16041805), (47, 8532875), (59, 6797375), (65, 6169925), (89, 4506125), (125, 3208361), (235, 1706575), (295, 1359475), (325, 1233985), (445, 901225), (611, 656375), (767, 522875), (1157, 346625), (1175, 341315), (1475, 271895), (1625, 246797), (2225, 180245), (2773, 144625), (3055, 131275), (3835, 104575), (4183, 95875), (5251, 76375), (5785, 69325), (5875, 68263), (7375, 54379), (11125, 36049), (13865, 28925), (15275, 26255), (19175, 20915)]