25703720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2239}}^1$

素因数の和:2298

約数の個数: 64

約数和(自身を含む): 67737600

約数和(自身を除く): 42033880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2239, 2296, 2870, 4478, 5740, 8956, 11195, 11480, 15673, 17912, 22390, 31346, 44780, 62692, 78365, 89560, 91799, 125384, 156730, 183598, 313460, 367196, 458995, 626920, 642593, 734392, 917990, 1285186, 1835980, 2570372, 3212965, 3671960, 5140744, 6425930, 12851860, 25703720]

約数ペア:

[(1, 25703720), (2, 12851860), (4, 6425930), (5, 5140744), (7, 3671960), (8, 3212965), (10, 2570372), (14, 1835980), (20, 1285186), (28, 917990), (35, 734392), (40, 642593), (41, 626920), (56, 458995), (70, 367196), (82, 313460), (140, 183598), (164, 156730), (205, 125384), (280, 91799), (287, 89560), (328, 78365), (410, 62692), (574, 44780), (820, 31346), (1148, 22390), (1435, 17912), (1640, 15673), (2239, 11480), (2296, 11195), (2870, 8956), (4478, 5740)]