20070640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8093}}^1$

素因数の和:8137

約数の個数: 40

約数和(自身を含む): 48175488

約数和(自身を除く): 28104848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 8093, 16186, 32372, 40465, 64744, 80930, 129488, 161860, 250883, 323720, 501766, 647440, 1003532, 1254415, 2007064, 2508830, 4014128, 5017660, 10035320, 20070640]

約数ペア:

[(1, 20070640), (2, 10035320), (4, 5017660), (5, 4014128), (8, 2508830), (10, 2007064), (16, 1254415), (20, 1003532), (31, 647440), (40, 501766), (62, 323720), (80, 250883), (124, 161860), (155, 129488), (248, 80930), (310, 64744), (496, 40465), (620, 32372), (1240, 16186), (2480, 8093)]