91680020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{5099}}^1$

素因数の和:5168

約数の個数: 48

約数和(自身を含む): 205632000

約数和(自身を除く): 113951980

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 1798, 3596, 4495, 5099, 8990, 10198, 17980, 20396, 25495, 50990, 101980, 147871, 158069, 295742, 316138, 591484, 632276, 739355, 790345, 1478710, 1580690, 2957420, 3161380, 4584001, 9168002, 18336004, 22920005, 45840010, 91680020]

約数ペア:

[(1, 91680020), (2, 45840010), (4, 22920005), (5, 18336004), (10, 9168002), (20, 4584001), (29, 3161380), (31, 2957420), (58, 1580690), (62, 1478710), (116, 790345), (124, 739355), (145, 632276), (155, 591484), (290, 316138), (310, 295742), (580, 158069), (620, 147871), (899, 101980), (1798, 50990), (3596, 25495), (4495, 20396), (5099, 17980), (8990, 10198)]