25361875

素因数分解:

$5^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:86

約数の個数: 80

約数和(自身を含む): 43186176

約数和(自身を除く): 17824301

約数列:

[1, 5, 7, 11, 17, 25, 31, 35, 55, 77, 85, 119, 125, 155, 175, 187, 217, 275, 341, 385, 425, 527, 595, 625, 775, 875, 935, 1085, 1309, 1375, 1705, 1925, 2125, 2387, 2635, 2975, 3689, 3875, 4375, 4675, 5425, 5797, 6545, 6875, 8525, 9625, 10625, 11935, 13175, 14875, 18445, 19375, 23375, 27125, 28985, 32725, 40579, 42625, 48125, 59675, 65875, 74375, 92225, 116875, 135625, 144925, 163625, 202895, 213125, 298375, 329375, 461125, 724625, 818125, 1014475, 1491875, 2305625, 3623125, 5072375, 25361875]

約数ペア:

[(1, 25361875), (5, 5072375), (7, 3623125), (11, 2305625), (17, 1491875), (25, 1014475), (31, 818125), (35, 724625), (55, 461125), (77, 329375), (85, 298375), (119, 213125), (125, 202895), (155, 163625), (175, 144925), (187, 135625), (217, 116875), (275, 92225), (341, 74375), (385, 65875), (425, 59675), (527, 48125), (595, 42625), (625, 40579), (775, 32725), (875, 28985), (935, 27125), (1085, 23375), (1309, 19375), (1375, 18445), (1705, 14875), (1925, 13175), (2125, 11935), (2387, 10625), (2635, 9625), (2975, 8525), (3689, 6875), (3875, 6545), (4375, 5797), (4675, 5425)]