40854515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 55351296

約数和(自身を除く): 14496781

約数列:

[1, 5, 13, 43, 47, 65, 215, 235, 311, 559, 611, 1555, 2021, 2795, 3055, 4043, 10105, 13373, 14617, 20215, 26273, 66865, 73085, 131365, 173849, 190021, 628531, 869245, 950105, 3142655, 8170903, 40854515]

約数ペア:

[(1, 40854515), (5, 8170903), (13, 3142655), (43, 950105), (47, 869245), (65, 628531), (215, 190021), (235, 173849), (311, 131365), (559, 73085), (611, 66865), (1555, 26273), (2021, 20215), (2795, 14617), (3055, 13373), (4043, 10105)]