253900720

素因数分解:

$2^4\times 5^1\times {\mathrm{1297}}^1\times {\mathrm{2447}}^1$

素因数の和:3757

約数の個数: 40

約数和(自身を含む): 591015744

約数和(自身を除く): 337115024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1297, 2447, 2594, 4894, 5188, 6485, 9788, 10376, 12235, 12970, 19576, 20752, 24470, 25940, 39152, 48940, 51880, 97880, 103760, 195760, 3173759, 6347518, 12695036, 15868795, 25390072, 31737590, 50780144, 63475180, 126950360, 253900720]

約数ペア:

[(1, 253900720), (2, 126950360), (4, 63475180), (5, 50780144), (8, 31737590), (10, 25390072), (16, 15868795), (20, 12695036), (40, 6347518), (80, 3173759), (1297, 195760), (2447, 103760), (2594, 97880), (4894, 51880), (5188, 48940), (6485, 39152), (9788, 25940), (10376, 24470), (12235, 20752), (12970, 19576)]