22489720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{647}}^1$

素因数の和:748

約数の個数: 64

約数和(自身を含む): 55987200

約数和(自身を除く): 33497480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 79, 88, 110, 158, 220, 316, 395, 440, 632, 647, 790, 869, 1294, 1580, 1738, 2588, 3160, 3235, 3476, 4345, 5176, 6470, 6952, 7117, 8690, 12940, 14234, 17380, 25880, 28468, 34760, 35585, 51113, 56936, 71170, 102226, 142340, 204452, 255565, 284680, 408904, 511130, 562243, 1022260, 1124486, 2044520, 2248972, 2811215, 4497944, 5622430, 11244860, 22489720]

約数ペア:

[(1, 22489720), (2, 11244860), (4, 5622430), (5, 4497944), (8, 2811215), (10, 2248972), (11, 2044520), (20, 1124486), (22, 1022260), (40, 562243), (44, 511130), (55, 408904), (79, 284680), (88, 255565), (110, 204452), (158, 142340), (220, 102226), (316, 71170), (395, 56936), (440, 51113), (632, 35585), (647, 34760), (790, 28468), (869, 25880), (1294, 17380), (1580, 14234), (1738, 12940), (2588, 8690), (3160, 7117), (3235, 6952), (3476, 6470), (4345, 5176)]