27720209512

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{2179}}^1\times {\mathrm{20129}}^1$

素因数の和:22393

約数の個数: 32

約数和(自身を含む): 52660080000

約数和(自身を除く): 24939870488

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 2179, 4358, 8716, 17432, 20129, 40258, 80516, 161032, 172141, 344282, 688564, 1377128, 1590191, 3180382, 6360764, 12721528, 43861091, 87722182, 175444364, 350888728, 3465026189, 6930052378, 13860104756, 27720209512]

約数ペア:

[(1, 27720209512), (2, 13860104756), (4, 6930052378), (8, 3465026189), (79, 350888728), (158, 175444364), (316, 87722182), (632, 43861091), (2179, 12721528), (4358, 6360764), (8716, 3180382), (17432, 1590191), (20129, 1377128), (40258, 688564), (80516, 344282), (161032, 172141)]