80518760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{41081}}^1$

素因数の和:41106

約数の個数: 48

約数和(自身を含む): 210750660

約数和(自身を除く): 130231900

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 41081, 82162, 164324, 205405, 287567, 328648, 410810, 575134, 821620, 1150268, 1437835, 1643240, 2012969, 2300536, 2875670, 4025938, 5751340, 8051876, 10064845, 11502680, 16103752, 20129690, 40259380, 80518760]

約数ペア:

[(1, 80518760), (2, 40259380), (4, 20129690), (5, 16103752), (7, 11502680), (8, 10064845), (10, 8051876), (14, 5751340), (20, 4025938), (28, 2875670), (35, 2300536), (40, 2012969), (49, 1643240), (56, 1437835), (70, 1150268), (98, 821620), (140, 575134), (196, 410810), (245, 328648), (280, 287567), (392, 205405), (490, 164324), (980, 82162), (1960, 41081)]