51512180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{991}}^1$

素因数の和:1136

約数の個数: 48

約数和(自身を含む): 113992704

約数和(自身を除く): 62480524

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 113, 115, 226, 230, 452, 460, 565, 991, 1130, 1982, 2260, 2599, 3964, 4955, 5198, 9910, 10396, 12995, 19820, 22793, 25990, 45586, 51980, 91172, 111983, 113965, 223966, 227930, 447932, 455860, 559915, 1119830, 2239660, 2575609, 5151218, 10302436, 12878045, 25756090, 51512180]

約数ペア:

[(1, 51512180), (2, 25756090), (4, 12878045), (5, 10302436), (10, 5151218), (20, 2575609), (23, 2239660), (46, 1119830), (92, 559915), (113, 455860), (115, 447932), (226, 227930), (230, 223966), (452, 113965), (460, 111983), (565, 91172), (991, 51980), (1130, 45586), (1982, 25990), (2260, 22793), (2599, 19820), (3964, 12995), (4955, 10396), (5198, 9910)]