38121320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{433}}^1$

素因数の和:546

約数の個数: 64

約数和(自身を含む): 89994240

約数和(自身を除く): 51872920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 71, 124, 142, 155, 248, 284, 310, 355, 433, 568, 620, 710, 866, 1240, 1420, 1732, 2165, 2201, 2840, 3464, 4330, 4402, 8660, 8804, 11005, 13423, 17320, 17608, 22010, 26846, 30743, 44020, 53692, 61486, 67115, 88040, 107384, 122972, 134230, 153715, 245944, 268460, 307430, 536920, 614860, 953033, 1229720, 1906066, 3812132, 4765165, 7624264, 9530330, 19060660, 38121320]

約数ペア:

[(1, 38121320), (2, 19060660), (4, 9530330), (5, 7624264), (8, 4765165), (10, 3812132), (20, 1906066), (31, 1229720), (40, 953033), (62, 614860), (71, 536920), (124, 307430), (142, 268460), (155, 245944), (248, 153715), (284, 134230), (310, 122972), (355, 107384), (433, 88040), (568, 67115), (620, 61486), (710, 53692), (866, 44020), (1240, 30743), (1420, 26846), (1732, 22010), (2165, 17608), (2201, 17320), (2840, 13423), (3464, 11005), (4330, 8804), (4402, 8660)]