4205080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{503}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 10886400

約数和(自身を除く): 6681320

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 503, 760, 836, 1006, 1045, 1672, 2012, 2090, 2515, 4024, 4180, 5030, 5533, 8360, 9557, 10060, 11066, 19114, 20120, 22132, 27665, 38228, 44264, 47785, 55330, 76456, 95570, 105127, 110660, 191140, 210254, 221320, 382280, 420508, 525635, 841016, 1051270, 2102540, 4205080]

約数ペア:

[(1, 4205080), (2, 2102540), (4, 1051270), (5, 841016), (8, 525635), (10, 420508), (11, 382280), (19, 221320), (20, 210254), (22, 191140), (38, 110660), (40, 105127), (44, 95570), (55, 76456), (76, 55330), (88, 47785), (95, 44264), (110, 38228), (152, 27665), (190, 22132), (209, 20120), (220, 19114), (380, 11066), (418, 10060), (440, 9557), (503, 8360), (760, 5533), (836, 5030), (1006, 4180), (1045, 4024), (1672, 2515), (2012, 2090)]