64793540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{15959}}^1$

素因数の和:16004

約数の個数: 48

約数和(自身を含む): 160876800

約数和(自身を除く): 96083260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 15959, 31918, 63836, 79795, 111713, 159590, 223426, 319180, 446852, 462811, 558565, 925622, 1117130, 1851244, 2234260, 2314055, 3239677, 4628110, 6479354, 9256220, 12958708, 16198385, 32396770, 64793540]

約数ペア:

[(1, 64793540), (2, 32396770), (4, 16198385), (5, 12958708), (7, 9256220), (10, 6479354), (14, 4628110), (20, 3239677), (28, 2314055), (29, 2234260), (35, 1851244), (58, 1117130), (70, 925622), (116, 558565), (140, 462811), (145, 446852), (203, 319180), (290, 223426), (406, 159590), (580, 111713), (812, 79795), (1015, 63836), (2030, 31918), (4060, 15959)]