16086440

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1013}}^1$

素因数の和:1421

約数の個数: 32

約数和(自身を含む): 36321480

約数和(自身を除く): 20235040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1013, 1588, 1985, 2026, 3176, 3970, 4052, 5065, 7940, 8104, 10130, 15880, 20260, 40520, 402161, 804322, 1608644, 2010805, 3217288, 4021610, 8043220, 16086440]

約数ペア:

[(1, 16086440), (2, 8043220), (4, 4021610), (5, 3217288), (8, 2010805), (10, 1608644), (20, 804322), (40, 402161), (397, 40520), (794, 20260), (1013, 15880), (1588, 10130), (1985, 8104), (2026, 7940), (3176, 5065), (3970, 4052)]