25081540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{659}}^1$

素因数の和:852

約数の個数: 48

約数和(自身を含む): 57879360

約数和(自身を除く): 32797820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 173, 220, 346, 659, 692, 865, 1318, 1730, 1903, 2636, 3295, 3460, 3806, 6590, 7249, 7612, 9515, 13180, 14498, 19030, 28996, 36245, 38060, 72490, 114007, 144980, 228014, 456028, 570035, 1140070, 1254077, 2280140, 2508154, 5016308, 6270385, 12540770, 25081540]

約数ペア:

[(1, 25081540), (2, 12540770), (4, 6270385), (5, 5016308), (10, 2508154), (11, 2280140), (20, 1254077), (22, 1140070), (44, 570035), (55, 456028), (110, 228014), (173, 144980), (220, 114007), (346, 72490), (659, 38060), (692, 36245), (865, 28996), (1318, 19030), (1730, 14498), (1903, 13180), (2636, 9515), (3295, 7612), (3460, 7249), (3806, 6590)]