16282120

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6673}}^1$

素因数の和:6745

約数の個数: 32

約数和(自身を含む): 37240920

約数和(自身を除く): 20958800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 6673, 13346, 26692, 33365, 53384, 66730, 133460, 266920, 407053, 814106, 1628212, 2035265, 3256424, 4070530, 8141060, 16282120]

約数ペア:

[(1, 16282120), (2, 8141060), (4, 4070530), (5, 3256424), (8, 2035265), (10, 1628212), (20, 814106), (40, 407053), (61, 266920), (122, 133460), (244, 66730), (305, 53384), (488, 33365), (610, 26692), (1220, 13346), (2440, 6673)]