90165080

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{13829}}^1$

素因数の和:14003

約数の個数: 32

約数和(自身を含む): 204130800

約数和(自身を除く): 113965720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 13829, 27658, 55316, 69145, 110632, 138290, 276580, 553160, 2254127, 4508254, 9016508, 11270635, 18033016, 22541270, 45082540, 90165080]

約数ペア:

[(1, 90165080), (2, 45082540), (4, 22541270), (5, 18033016), (8, 11270635), (10, 9016508), (20, 4508254), (40, 2254127), (163, 553160), (326, 276580), (652, 138290), (815, 110632), (1304, 69145), (1630, 55316), (3260, 27658), (6520, 13829)]