2016862825

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{1481}}^1$

素因数の和:1618

約数の個数: 48

約数和(自身を含む): 2734467840

約数和(自身を除く): 717605015

約数列:

[1, 5, 19, 25, 47, 61, 95, 235, 305, 475, 893, 1159, 1175, 1481, 1525, 2867, 4465, 5795, 7405, 14335, 22325, 28139, 28975, 37025, 54473, 69607, 71675, 90341, 140695, 272365, 348035, 451705, 703475, 1322533, 1361825, 1716479, 1740175, 2258525, 4246027, 6612665, 8582395, 21230135, 33063325, 42911975, 80674513, 106150675, 403372565, 2016862825]

約数ペア:

[(1, 2016862825), (5, 403372565), (19, 106150675), (25, 80674513), (47, 42911975), (61, 33063325), (95, 21230135), (235, 8582395), (305, 6612665), (475, 4246027), (893, 2258525), (1159, 1740175), (1175, 1716479), (1481, 1361825), (1525, 1322533), (2867, 703475), (4465, 451705), (5795, 348035), (7405, 272365), (14335, 140695), (22325, 90341), (28139, 71675), (28975, 69607), (37025, 54473)]