66889240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{541}}^1$

素因数の和:844

約数の個数: 64

約数和(自身を含む): 165071520

約数和(自身を除く): 98182280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 281, 440, 541, 562, 1082, 1124, 1405, 2164, 2248, 2705, 2810, 3091, 4328, 5410, 5620, 5951, 6182, 10820, 11240, 11902, 12364, 15455, 21640, 23804, 24728, 29755, 30910, 47608, 59510, 61820, 119020, 123640, 152021, 238040, 304042, 608084, 760105, 1216168, 1520210, 1672231, 3040420, 3344462, 6080840, 6688924, 8361155, 13377848, 16722310, 33444620, 66889240]

約数ペア:

[(1, 66889240), (2, 33444620), (4, 16722310), (5, 13377848), (8, 8361155), (10, 6688924), (11, 6080840), (20, 3344462), (22, 3040420), (40, 1672231), (44, 1520210), (55, 1216168), (88, 760105), (110, 608084), (220, 304042), (281, 238040), (440, 152021), (541, 123640), (562, 119020), (1082, 61820), (1124, 59510), (1405, 47608), (2164, 30910), (2248, 29755), (2705, 24728), (2810, 23804), (3091, 21640), (4328, 15455), (5410, 12364), (5620, 11902), (5951, 11240), (6182, 10820)]