25140280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3361}}^1$

素因数の和:3400

約数の個数: 64

約数和(自身を含む): 65357280

約数和(自身を除く): 40217000

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3361, 3740, 6722, 7480, 13444, 16805, 26888, 33610, 36971, 57137, 67220, 73942, 114274, 134440, 147884, 184855, 228548, 285685, 295768, 369710, 457096, 571370, 628507, 739420, 1142740, 1257014, 1478840, 2285480, 2514028, 3142535, 5028056, 6285070, 12570140, 25140280]

約数ペア:

[(1, 25140280), (2, 12570140), (4, 6285070), (5, 5028056), (8, 3142535), (10, 2514028), (11, 2285480), (17, 1478840), (20, 1257014), (22, 1142740), (34, 739420), (40, 628507), (44, 571370), (55, 457096), (68, 369710), (85, 295768), (88, 285685), (110, 228548), (136, 184855), (170, 147884), (187, 134440), (220, 114274), (340, 73942), (374, 67220), (440, 57137), (680, 36971), (748, 33610), (935, 26888), (1496, 16805), (1870, 13444), (3361, 7480), (3740, 6722)]