71311780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{115019}}^1$

素因数の和:115059

約数の個数: 24

約数和(自身を含む): 154586880

約数和(自身を除く): 83275100

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 115019, 230038, 460076, 575095, 1150190, 2300380, 3565589, 7131178, 14262356, 17827945, 35655890, 71311780]

約数ペア:

[(1, 71311780), (2, 35655890), (4, 17827945), (5, 14262356), (10, 7131178), (20, 3565589), (31, 2300380), (62, 1150190), (124, 575095), (155, 460076), (310, 230038), (620, 115019)]