25143440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{761}}^1$

素因数の和:840

約数の個数: 80

約数和(自身を含む): 68031360

約数和(自身を除く): 42887920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 59, 70, 80, 112, 118, 140, 236, 280, 295, 413, 472, 560, 590, 761, 826, 944, 1180, 1522, 1652, 2065, 2360, 3044, 3304, 3805, 4130, 4720, 5327, 6088, 6608, 7610, 8260, 10654, 12176, 15220, 16520, 21308, 26635, 30440, 33040, 42616, 44899, 53270, 60880, 85232, 89798, 106540, 179596, 213080, 224495, 314293, 359192, 426160, 448990, 628586, 718384, 897980, 1257172, 1571465, 1795960, 2514344, 3142930, 3591920, 5028688, 6285860, 12571720, 25143440]

約数ペア:

[(1, 25143440), (2, 12571720), (4, 6285860), (5, 5028688), (7, 3591920), (8, 3142930), (10, 2514344), (14, 1795960), (16, 1571465), (20, 1257172), (28, 897980), (35, 718384), (40, 628586), (56, 448990), (59, 426160), (70, 359192), (80, 314293), (112, 224495), (118, 213080), (140, 179596), (236, 106540), (280, 89798), (295, 85232), (413, 60880), (472, 53270), (560, 44899), (590, 42616), (761, 33040), (826, 30440), (944, 26635), (1180, 21308), (1522, 16520), (1652, 15220), (2065, 12176), (2360, 10654), (3044, 8260), (3304, 7610), (3805, 6608), (4130, 6088), (4720, 5327)]