16400120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37273}}^1$

素因数の和:37295

約数の個数: 32

約数和(自身を含む): 40255920

約数和(自身を除く): 23855800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 37273, 74546, 149092, 186365, 298184, 372730, 410003, 745460, 820006, 1490920, 1640012, 2050015, 3280024, 4100030, 8200060, 16400120]

約数ペア:

[(1, 16400120), (2, 8200060), (4, 4100030), (5, 3280024), (8, 2050015), (10, 1640012), (11, 1490920), (20, 820006), (22, 745460), (40, 410003), (44, 372730), (55, 298184), (88, 186365), (110, 149092), (220, 74546), (440, 37273)]