20199112900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{25309}}^1$

素因数の和:25693

約数の個数: 72

約数和(自身を含む): 45871439040

約数和(自身を除く): 25672326140

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 230, 347, 460, 575, 694, 1150, 1388, 1735, 2300, 3470, 6940, 7981, 8675, 15962, 17350, 25309, 31924, 34700, 39905, 50618, 79810, 101236, 126545, 159620, 199525, 253090, 399050, 506180, 582107, 632725, 798100, 1164214, 1265450, 2328428, 2530900, 2910535, 5821070, 8782223, 11642140, 14552675, 17564446, 29105350, 35128892, 43911115, 58210700, 87822230, 175644460, 201991129, 219555575, 403982258, 439111150, 807964516, 878222300, 1009955645, 2019911290, 4039822580, 5049778225, 10099556450, 20199112900]

約数ペア:

[(1, 20199112900), (2, 10099556450), (4, 5049778225), (5, 4039822580), (10, 2019911290), (20, 1009955645), (23, 878222300), (25, 807964516), (46, 439111150), (50, 403982258), (92, 219555575), (100, 201991129), (115, 175644460), (230, 87822230), (347, 58210700), (460, 43911115), (575, 35128892), (694, 29105350), (1150, 17564446), (1388, 14552675), (1735, 11642140), (2300, 8782223), (3470, 5821070), (6940, 2910535), (7981, 2530900), (8675, 2328428), (15962, 1265450), (17350, 1164214), (25309, 798100), (31924, 632725), (34700, 582107), (39905, 506180), (50618, 399050), (79810, 253090), (101236, 199525), (126545, 159620)]