89727640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{269}}^2$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 209177280

約数和(自身を除く): 119449640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 269, 310, 538, 620, 1076, 1240, 1345, 2152, 2690, 5380, 8339, 10760, 16678, 33356, 41695, 66712, 72361, 83390, 144722, 166780, 289444, 333560, 361805, 578888, 723610, 1447220, 2243191, 2894440, 4486382, 8972764, 11215955, 17945528, 22431910, 44863820, 89727640]

約数ペア:

[(1, 89727640), (2, 44863820), (4, 22431910), (5, 17945528), (8, 11215955), (10, 8972764), (20, 4486382), (31, 2894440), (40, 2243191), (62, 1447220), (124, 723610), (155, 578888), (248, 361805), (269, 333560), (310, 289444), (538, 166780), (620, 144722), (1076, 83390), (1240, 72361), (1345, 66712), (2152, 41695), (2690, 33356), (5380, 16678), (8339, 10760)]