2039156920

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{6971}}^1$

素因数の和:7156

約数の個数: 64

約数和(自身を含む): 4698570240

約数和(自身を除く): 2659413320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 103, 142, 206, 284, 355, 412, 515, 568, 710, 824, 1030, 1420, 2060, 2840, 4120, 6971, 7313, 13942, 14626, 27884, 29252, 34855, 36565, 55768, 58504, 69710, 73130, 139420, 146260, 278840, 292520, 494941, 718013, 989882, 1436026, 1979764, 2474705, 2872052, 3590065, 3959528, 4949410, 5744104, 7180130, 9898820, 14360260, 19797640, 28720520, 50978923, 101957846, 203915692, 254894615, 407831384, 509789230, 1019578460, 2039156920]

約数ペア:

[(1, 2039156920), (2, 1019578460), (4, 509789230), (5, 407831384), (8, 254894615), (10, 203915692), (20, 101957846), (40, 50978923), (71, 28720520), (103, 19797640), (142, 14360260), (206, 9898820), (284, 7180130), (355, 5744104), (412, 4949410), (515, 3959528), (568, 3590065), (710, 2872052), (824, 2474705), (1030, 1979764), (1420, 1436026), (2060, 989882), (2840, 718013), (4120, 494941), (6971, 292520), (7313, 278840), (13942, 146260), (14626, 139420), (27884, 73130), (29252, 69710), (34855, 58504), (36565, 55768)]