13278538400

素因数分解:

$2^5\times 5^2\times {\mathrm{397}}^1\times {\mathrm{41809}}^1$

素因数の和:42226

約数の個数: 72

約数和(自身を含む): 32498662140

約数和(自身を除く): 19220123740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 397, 400, 794, 800, 1588, 1985, 3176, 3970, 6352, 7940, 9925, 12704, 15880, 19850, 31760, 39700, 41809, 63520, 79400, 83618, 158800, 167236, 209045, 317600, 334472, 418090, 668944, 836180, 1045225, 1337888, 1672360, 2090450, 3344720, 4180900, 6689440, 8361800, 16598173, 16723600, 33196346, 33447200, 66392692, 82990865, 132785384, 165981730, 265570768, 331963460, 414954325, 531141536, 663926920, 829908650, 1327853840, 1659817300, 2655707680, 3319634600, 6639269200, 13278538400]

約数ペア:

[(1, 13278538400), (2, 6639269200), (4, 3319634600), (5, 2655707680), (8, 1659817300), (10, 1327853840), (16, 829908650), (20, 663926920), (25, 531141536), (32, 414954325), (40, 331963460), (50, 265570768), (80, 165981730), (100, 132785384), (160, 82990865), (200, 66392692), (397, 33447200), (400, 33196346), (794, 16723600), (800, 16598173), (1588, 8361800), (1985, 6689440), (3176, 4180900), (3970, 3344720), (6352, 2090450), (7940, 1672360), (9925, 1337888), (12704, 1045225), (15880, 836180), (19850, 668944), (31760, 418090), (39700, 334472), (41809, 317600), (63520, 209045), (79400, 167236), (83618, 158800)]