90120072004

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{787}}^1\times {\mathrm{665761}}^1$

素因数の和:666595

約数の個数: 24

約数和(自身を含む): 161583100448

約数和(自身を除く): 71463028444

約数列:

[1, 2, 4, 43, 86, 172, 787, 1574, 3148, 33841, 67682, 135364, 665761, 1331522, 2663044, 28627723, 57255446, 114510892, 523953907, 1047907814, 2095815628, 22530018001, 45060036002, 90120072004]

約数ペア:

[(1, 90120072004), (2, 45060036002), (4, 22530018001), (43, 2095815628), (86, 1047907814), (172, 523953907), (787, 114510892), (1574, 57255446), (3148, 28627723), (33841, 2663044), (67682, 1331522), (135364, 665761)]