83784520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{39521}}^1$

素因数の和:39585

約数の個数: 32

約数和(自身を含む): 192076920

約数和(自身を除く): 108292400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 39521, 79042, 158084, 197605, 316168, 395210, 790420, 1580840, 2094613, 4189226, 8378452, 10473065, 16756904, 20946130, 41892260, 83784520]

約数ペア:

[(1, 83784520), (2, 41892260), (4, 20946130), (5, 16756904), (8, 10473065), (10, 8378452), (20, 4189226), (40, 2094613), (53, 1580840), (106, 790420), (212, 395210), (265, 316168), (424, 197605), (530, 158084), (1060, 79042), (2120, 39521)]