25932520

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 60419520

約数和(自身を除く): 34487000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 83, 107, 146, 166, 214, 292, 332, 365, 415, 428, 535, 584, 664, 730, 830, 856, 1070, 1460, 1660, 2140, 2920, 3320, 4280, 6059, 7811, 8881, 12118, 15622, 17762, 24236, 30295, 31244, 35524, 39055, 44405, 48472, 60590, 62488, 71048, 78110, 88810, 121180, 156220, 177620, 242360, 312440, 355240, 648313, 1296626, 2593252, 3241565, 5186504, 6483130, 12966260, 25932520]

約数ペア:

[(1, 25932520), (2, 12966260), (4, 6483130), (5, 5186504), (8, 3241565), (10, 2593252), (20, 1296626), (40, 648313), (73, 355240), (83, 312440), (107, 242360), (146, 177620), (166, 156220), (214, 121180), (292, 88810), (332, 78110), (365, 71048), (415, 62488), (428, 60590), (535, 48472), (584, 44405), (664, 39055), (730, 35524), (830, 31244), (856, 30295), (1070, 24236), (1460, 17762), (1660, 15622), (2140, 12118), (2920, 8881), (3320, 7811), (4280, 6059)]