38731820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1553}}^1$

素因数の和:1634

約数の個数: 48

約数和(自身を含む): 86153760

約数和(自身を除く): 47421940

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 86, 116, 145, 172, 215, 290, 430, 580, 860, 1247, 1553, 2494, 3106, 4988, 6212, 6235, 7765, 12470, 15530, 24940, 31060, 45037, 66779, 90074, 133558, 180148, 225185, 267116, 333895, 450370, 667790, 900740, 1335580, 1936591, 3873182, 7746364, 9682955, 19365910, 38731820]

約数ペア:

[(1, 38731820), (2, 19365910), (4, 9682955), (5, 7746364), (10, 3873182), (20, 1936591), (29, 1335580), (43, 900740), (58, 667790), (86, 450370), (116, 333895), (145, 267116), (172, 225185), (215, 180148), (290, 133558), (430, 90074), (580, 66779), (860, 45037), (1247, 31060), (1553, 24940), (2494, 15530), (3106, 12470), (4988, 7765), (6212, 6235)]