40065520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{4139}}^1$

素因数の和:4174

約数の個数: 60

約数和(自身を含む): 102415320

約数和(自身を除く): 62349800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4139, 4840, 8278, 9680, 16556, 20695, 33112, 41390, 45529, 66224, 82780, 91058, 165560, 182116, 227645, 331120, 364232, 455290, 500819, 728464, 910580, 1001638, 1821160, 2003276, 2504095, 3642320, 4006552, 5008190, 8013104, 10016380, 20032760, 40065520]

約数ペア:

[(1, 40065520), (2, 20032760), (4, 10016380), (5, 8013104), (8, 5008190), (10, 4006552), (11, 3642320), (16, 2504095), (20, 2003276), (22, 1821160), (40, 1001638), (44, 910580), (55, 728464), (80, 500819), (88, 455290), (110, 364232), (121, 331120), (176, 227645), (220, 182116), (242, 165560), (440, 91058), (484, 82780), (605, 66224), (880, 45529), (968, 41390), (1210, 33112), (1936, 20695), (2420, 16556), (4139, 9680), (4840, 8278)]