163910440

素因数分解:

$2^3\times 5^1\times {\mathrm{1657}}^1\times {\mathrm{2473}}^1$

素因数の和:4141

約数の個数: 32

約数和(自身を含む): 369170280

約数和(自身を除く): 205259840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1657, 2473, 3314, 4946, 6628, 8285, 9892, 12365, 13256, 16570, 19784, 24730, 33140, 49460, 66280, 98920, 4097761, 8195522, 16391044, 20488805, 32782088, 40977610, 81955220, 163910440]

約数ペア:

[(1, 163910440), (2, 81955220), (4, 40977610), (5, 32782088), (8, 20488805), (10, 16391044), (20, 8195522), (40, 4097761), (1657, 98920), (2473, 66280), (3314, 49460), (4946, 33140), (6628, 24730), (8285, 19784), (9892, 16570), (12365, 13256)]