18561650320

素因数分解:

$2^4\times 5^1\times {\mathrm{9949}}^1\times {\mathrm{23321}}^1$

素因数の和:33283

約数の個数: 40

約数和(自身を含む): 43162025400

約数和(自身を除く): 24600375080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 9949, 19898, 23321, 39796, 46642, 49745, 79592, 93284, 99490, 116605, 159184, 186568, 198980, 233210, 373136, 397960, 466420, 795920, 932840, 1865680, 232020629, 464041258, 928082516, 1160103145, 1856165032, 2320206290, 3712330064, 4640412580, 9280825160, 18561650320]

約数ペア:

[(1, 18561650320), (2, 9280825160), (4, 4640412580), (5, 3712330064), (8, 2320206290), (10, 1856165032), (16, 1160103145), (20, 928082516), (40, 464041258), (80, 232020629), (9949, 1865680), (19898, 932840), (23321, 795920), (39796, 466420), (46642, 397960), (49745, 373136), (79592, 233210), (93284, 198980), (99490, 186568), (116605, 159184)]