25499220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6967}}^1$

素因数の和:7040

約数の個数: 48

約数和(自身を含む): 72578688

約数和(自身を除く): 47079468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 6967, 13934, 20901, 27868, 34835, 41802, 69670, 83604, 104505, 139340, 209010, 418020, 424987, 849974, 1274961, 1699948, 2124935, 2549922, 4249870, 5099844, 6374805, 8499740, 12749610, 25499220]

約数ペア:

[(1, 25499220), (2, 12749610), (3, 8499740), (4, 6374805), (5, 5099844), (6, 4249870), (10, 2549922), (12, 2124935), (15, 1699948), (20, 1274961), (30, 849974), (60, 424987), (61, 418020), (122, 209010), (183, 139340), (244, 104505), (305, 83604), (366, 69670), (610, 41802), (732, 34835), (915, 27868), (1220, 20901), (1830, 13934), (3660, 6967)]