42755320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{557}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 102448800

約数和(自身を除く): 59693480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 101, 152, 190, 202, 380, 404, 505, 557, 760, 808, 1010, 1114, 1919, 2020, 2228, 2785, 3838, 4040, 4456, 5570, 7676, 9595, 10583, 11140, 15352, 19190, 21166, 22280, 38380, 42332, 52915, 56257, 76760, 84664, 105830, 112514, 211660, 225028, 281285, 423320, 450056, 562570, 1068883, 1125140, 2137766, 2250280, 4275532, 5344415, 8551064, 10688830, 21377660, 42755320]

約数ペア:

[(1, 42755320), (2, 21377660), (4, 10688830), (5, 8551064), (8, 5344415), (10, 4275532), (19, 2250280), (20, 2137766), (38, 1125140), (40, 1068883), (76, 562570), (95, 450056), (101, 423320), (152, 281285), (190, 225028), (202, 211660), (380, 112514), (404, 105830), (505, 84664), (557, 76760), (760, 56257), (808, 52915), (1010, 42332), (1114, 38380), (1919, 22280), (2020, 21166), (2228, 19190), (2785, 15352), (3838, 11140), (4040, 10583), (4456, 9595), (5570, 7676)]