263186950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{2579}}^1$

素因数の和:2761

約数の個数: 48

約数和(自身を含む): 530747280

約数和(自身を除く): 267560330

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 157, 314, 325, 650, 785, 1570, 2041, 2579, 3925, 4082, 5158, 7850, 10205, 12895, 20410, 25790, 33527, 51025, 64475, 67054, 102050, 128950, 167635, 335270, 404903, 809806, 838175, 1676350, 2024515, 4049030, 5263739, 10122575, 10527478, 20245150, 26318695, 52637390, 131593475, 263186950]

約数ペア:

[(1, 263186950), (2, 131593475), (5, 52637390), (10, 26318695), (13, 20245150), (25, 10527478), (26, 10122575), (50, 5263739), (65, 4049030), (130, 2024515), (157, 1676350), (314, 838175), (325, 809806), (650, 404903), (785, 335270), (1570, 167635), (2041, 128950), (2579, 102050), (3925, 67054), (4082, 64475), (5158, 51025), (7850, 33527), (10205, 25790), (12895, 20410)]