52120840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:634

約数の個数: 64

約数和(自身を含む): 122335920

約数和(自身を除く): 70215080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 61, 82, 122, 164, 205, 244, 305, 328, 410, 488, 521, 610, 820, 1042, 1220, 1640, 2084, 2440, 2501, 2605, 4168, 5002, 5210, 10004, 10420, 12505, 20008, 20840, 21361, 25010, 31781, 42722, 50020, 63562, 85444, 100040, 106805, 127124, 158905, 170888, 213610, 254248, 317810, 427220, 635620, 854440, 1271240, 1303021, 2606042, 5212084, 6515105, 10424168, 13030210, 26060420, 52120840]

約数ペア:

[(1, 52120840), (2, 26060420), (4, 13030210), (5, 10424168), (8, 6515105), (10, 5212084), (20, 2606042), (40, 1303021), (41, 1271240), (61, 854440), (82, 635620), (122, 427220), (164, 317810), (205, 254248), (244, 213610), (305, 170888), (328, 158905), (410, 127124), (488, 106805), (521, 100040), (610, 85444), (820, 63562), (1042, 50020), (1220, 42722), (1640, 31781), (2084, 25010), (2440, 21361), (2501, 20840), (2605, 20008), (4168, 12505), (5002, 10420), (5210, 10004)]