86139880

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{149}}^2$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 197135820

約数和(自身を除く): 110995940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 149, 194, 298, 388, 485, 596, 745, 776, 970, 1192, 1490, 1940, 2980, 3880, 5960, 14453, 22201, 28906, 44402, 57812, 72265, 88804, 111005, 115624, 144530, 177608, 222010, 289060, 444020, 578120, 888040, 2153497, 4306994, 8613988, 10767485, 17227976, 21534970, 43069940, 86139880]

約数ペア:

[(1, 86139880), (2, 43069940), (4, 21534970), (5, 17227976), (8, 10767485), (10, 8613988), (20, 4306994), (40, 2153497), (97, 888040), (149, 578120), (194, 444020), (298, 289060), (388, 222010), (485, 177608), (596, 144530), (745, 115624), (776, 111005), (970, 88804), (1192, 72265), (1490, 57812), (1940, 44402), (2980, 28906), (3880, 22201), (5960, 14453)]