40002012

素因数分解:

$2^2\times 3^4\times {\mathrm{331}}^1\times {\mathrm{373}}^1$

素因数の和:720

約数の個数: 60

約数和(自身を含む): 105170296

約数和(自身を除く): 65168284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 331, 373, 662, 746, 993, 1119, 1324, 1492, 1986, 2238, 2979, 3357, 3972, 4476, 5958, 6714, 8937, 10071, 11916, 13428, 17874, 20142, 26811, 30213, 35748, 40284, 53622, 60426, 107244, 120852, 123463, 246926, 370389, 493852, 740778, 1111167, 1481556, 2222334, 3333501, 4444668, 6667002, 10000503, 13334004, 20001006, 40002012]

約数ペア:

[(1, 40002012), (2, 20001006), (3, 13334004), (4, 10000503), (6, 6667002), (9, 4444668), (12, 3333501), (18, 2222334), (27, 1481556), (36, 1111167), (54, 740778), (81, 493852), (108, 370389), (162, 246926), (324, 123463), (331, 120852), (373, 107244), (662, 60426), (746, 53622), (993, 40284), (1119, 35748), (1324, 30213), (1492, 26811), (1986, 20142), (2238, 17874), (2979, 13428), (3357, 11916), (3972, 10071), (4476, 8937), (5958, 6714)]