164885440

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8447}}^1$

素因数の和:8525

約数の個数: 56

約数和(自身を含む): 399117312

約数和(自身を除く): 234231872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 976, 1220, 1952, 2440, 3904, 4880, 8447, 9760, 16894, 19520, 33788, 42235, 67576, 84470, 135152, 168940, 270304, 337880, 515267, 540608, 675760, 1030534, 1351520, 2061068, 2576335, 2703040, 4122136, 5152670, 8244272, 10305340, 16488544, 20610680, 32977088, 41221360, 82442720, 164885440]

約数ペア:

[(1, 164885440), (2, 82442720), (4, 41221360), (5, 32977088), (8, 20610680), (10, 16488544), (16, 10305340), (20, 8244272), (32, 5152670), (40, 4122136), (61, 2703040), (64, 2576335), (80, 2061068), (122, 1351520), (160, 1030534), (244, 675760), (305, 540608), (320, 515267), (488, 337880), (610, 270304), (976, 168940), (1220, 135152), (1952, 84470), (2440, 67576), (3904, 42235), (4880, 33788), (8447, 19520), (9760, 16894)]