20228012800

素因数分解:

$2^8\times 5^2\times {\mathrm{1091}}^1\times {\mathrm{2897}}^1$

素因数の和:4014

約数の個数: 108

約数和(自身を含む): 50130682056

約数和(自身を除く): 29902669256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1091, 1280, 1600, 2182, 2897, 3200, 4364, 5455, 5794, 6400, 8728, 10910, 11588, 14485, 17456, 21820, 23176, 27275, 28970, 34912, 43640, 46352, 54550, 57940, 69824, 72425, 87280, 92704, 109100, 115880, 139648, 144850, 174560, 185408, 218200, 231760, 279296, 289700, 349120, 370816, 436400, 463520, 579400, 698240, 741632, 872800, 927040, 1158800, 1396480, 1745600, 1854080, 2317600, 3160627, 3491200, 3708160, 4635200, 6321254, 6982400, 9270400, 12642508, 15803135, 18540800, 25285016, 31606270, 50570032, 63212540, 79015675, 101140064, 126425080, 158031350, 202280128, 252850160, 316062700, 404560256, 505700320, 632125400, 809120512, 1011400640, 1264250800, 2022801280, 2528501600, 4045602560, 5057003200, 10114006400, 20228012800]

約数ペア:

[(1, 20228012800), (2, 10114006400), (4, 5057003200), (5, 4045602560), (8, 2528501600), (10, 2022801280), (16, 1264250800), (20, 1011400640), (25, 809120512), (32, 632125400), (40, 505700320), (50, 404560256), (64, 316062700), (80, 252850160), (100, 202280128), (128, 158031350), (160, 126425080), (200, 101140064), (256, 79015675), (320, 63212540), (400, 50570032), (640, 31606270), (800, 25285016), (1091, 18540800), (1280, 15803135), (1600, 12642508), (2182, 9270400), (2897, 6982400), (3200, 6321254), (4364, 4635200), (5455, 3708160), (5794, 3491200), (6400, 3160627), (8728, 2317600), (10910, 1854080), (11588, 1745600), (14485, 1396480), (17456, 1158800), (21820, 927040), (23176, 872800), (27275, 741632), (28970, 698240), (34912, 579400), (43640, 463520), (46352, 436400), (54550, 370816), (57940, 349120), (69824, 289700), (72425, 279296), (87280, 231760), (92704, 218200), (109100, 185408), (115880, 174560), (139648, 144850)]