52140725

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:127

約数の個数: 72

約数和(自身を含む): 83869632

約数和(自身を除く): 31728907

約数列:

[1, 5, 7, 13, 25, 35, 41, 43, 65, 91, 169, 175, 205, 215, 287, 301, 325, 455, 533, 559, 845, 1025, 1075, 1183, 1435, 1505, 1763, 2275, 2665, 2795, 3731, 3913, 4225, 5915, 6929, 7175, 7267, 7525, 8815, 12341, 13325, 13975, 18655, 19565, 22919, 29575, 34645, 36335, 44075, 48503, 50869, 61705, 93275, 97825, 114595, 160433, 173225, 181675, 242515, 254345, 297947, 308525, 572975, 802165, 1212575, 1271725, 1489735, 2085629, 4010825, 7448675, 10428145, 52140725]

約数ペア:

[(1, 52140725), (5, 10428145), (7, 7448675), (13, 4010825), (25, 2085629), (35, 1489735), (41, 1271725), (43, 1212575), (65, 802165), (91, 572975), (169, 308525), (175, 297947), (205, 254345), (215, 242515), (287, 181675), (301, 173225), (325, 160433), (455, 114595), (533, 97825), (559, 93275), (845, 61705), (1025, 50869), (1075, 48503), (1183, 44075), (1435, 36335), (1505, 34645), (1763, 29575), (2275, 22919), (2665, 19565), (2795, 18655), (3731, 13975), (3913, 13325), (4225, 12341), (5915, 8815), (6929, 7525), (7175, 7267)]