79943320

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{3089}}^1$

素因数の和:3747

約数の個数: 32

約数和(自身を含む): 180208800

約数和(自身を除く): 100265480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 2588, 3089, 3235, 5176, 6178, 6470, 12356, 12940, 15445, 24712, 25880, 30890, 61780, 123560, 1998583, 3997166, 7994332, 9992915, 15988664, 19985830, 39971660, 79943320]

約数ペア:

[(1, 79943320), (2, 39971660), (4, 19985830), (5, 15988664), (8, 9992915), (10, 7994332), (20, 3997166), (40, 1998583), (647, 123560), (1294, 61780), (2588, 30890), (3089, 25880), (3235, 24712), (5176, 15445), (6178, 12940), (6470, 12356)]