28940360

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{23339}}^1$

素因数の和:23381

約数の個数: 32

約数和(自身を含む): 67219200

約数和(自身を除く): 38278840

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 23339, 46678, 93356, 116695, 186712, 233390, 466780, 723509, 933560, 1447018, 2894036, 3617545, 5788072, 7235090, 14470180, 28940360]

約数ペア:

[(1, 28940360), (2, 14470180), (4, 7235090), (5, 5788072), (8, 3617545), (10, 2894036), (20, 1447018), (31, 933560), (40, 723509), (62, 466780), (124, 233390), (155, 186712), (248, 116695), (310, 93356), (620, 46678), (1240, 23339)]