5125220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4201}}^1$

素因数の和:4271

約数の個数: 24

約数和(自身を含む): 10942008

約数和(自身を除く): 5816788

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 4201, 8402, 16804, 21005, 42010, 84020, 256261, 512522, 1025044, 1281305, 2562610, 5125220]

約数ペア:

[(1, 5125220), (2, 2562610), (4, 1281305), (5, 1025044), (10, 512522), (20, 256261), (61, 84020), (122, 42010), (244, 21005), (305, 16804), (610, 8402), (1220, 4201)]