55788920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1231}}^1$

素因数の和:1356

約数の個数: 64

約数和(自身を含む): 138378240

約数和(自身を除く): 82589320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 103, 110, 206, 220, 412, 440, 515, 824, 1030, 1133, 1231, 2060, 2266, 2462, 4120, 4532, 4924, 5665, 6155, 9064, 9848, 11330, 12310, 13541, 22660, 24620, 27082, 45320, 49240, 54164, 67705, 108328, 126793, 135410, 253586, 270820, 507172, 541640, 633965, 1014344, 1267930, 1394723, 2535860, 2789446, 5071720, 5578892, 6973615, 11157784, 13947230, 27894460, 55788920]

約数ペア:

[(1, 55788920), (2, 27894460), (4, 13947230), (5, 11157784), (8, 6973615), (10, 5578892), (11, 5071720), (20, 2789446), (22, 2535860), (40, 1394723), (44, 1267930), (55, 1014344), (88, 633965), (103, 541640), (110, 507172), (206, 270820), (220, 253586), (412, 135410), (440, 126793), (515, 108328), (824, 67705), (1030, 54164), (1133, 49240), (1231, 45320), (2060, 27082), (2266, 24620), (2462, 22660), (4120, 13541), (4532, 12310), (4924, 11330), (5665, 9848), (6155, 9064)]