15977720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{36313}}^1$

素因数の和:36335

約数の個数: 32

約数和(自身を含む): 39219120

約数和(自身を除く): 23241400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 36313, 72626, 145252, 181565, 290504, 363130, 399443, 726260, 798886, 1452520, 1597772, 1997215, 3195544, 3994430, 7988860, 15977720]

約数ペア:

[(1, 15977720), (2, 7988860), (4, 3994430), (5, 3195544), (8, 1997215), (10, 1597772), (11, 1452520), (20, 798886), (22, 726260), (40, 399443), (44, 363130), (55, 290504), (88, 181565), (110, 145252), (220, 72626), (440, 36313)]