8899880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 22161600

約数和(自身を除く): 13261720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 113, 179, 220, 226, 358, 440, 452, 565, 716, 895, 904, 1130, 1243, 1432, 1790, 1969, 2260, 2486, 3580, 3938, 4520, 4972, 6215, 7160, 7876, 9845, 9944, 12430, 15752, 19690, 20227, 24860, 39380, 40454, 49720, 78760, 80908, 101135, 161816, 202270, 222497, 404540, 444994, 809080, 889988, 1112485, 1779976, 2224970, 4449940, 8899880]

約数ペア:

[(1, 8899880), (2, 4449940), (4, 2224970), (5, 1779976), (8, 1112485), (10, 889988), (11, 809080), (20, 444994), (22, 404540), (40, 222497), (44, 202270), (55, 161816), (88, 101135), (110, 80908), (113, 78760), (179, 49720), (220, 40454), (226, 39380), (358, 24860), (440, 20227), (452, 19690), (565, 15752), (716, 12430), (895, 9944), (904, 9845), (1130, 7876), (1243, 7160), (1432, 6215), (1790, 4972), (1969, 4520), (2260, 3938), (2486, 3580)]