195405520

素因数分解:

$2^4\times 5^1\times {\mathrm{1543}}^1\times {\mathrm{1583}}^1$

素因数の和:3139

約数の個数: 40

約数和(自身を含む): 454899456

約数和(自身を除く): 259493936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1543, 1583, 3086, 3166, 6172, 6332, 7715, 7915, 12344, 12664, 15430, 15830, 24688, 25328, 30860, 31660, 61720, 63320, 123440, 126640, 2442569, 4885138, 9770276, 12212845, 19540552, 24425690, 39081104, 48851380, 97702760, 195405520]

約数ペア:

[(1, 195405520), (2, 97702760), (4, 48851380), (5, 39081104), (8, 24425690), (10, 19540552), (16, 12212845), (20, 9770276), (40, 4885138), (80, 2442569), (1543, 126640), (1583, 123440), (3086, 63320), (3166, 61720), (6172, 31660), (6332, 30860), (7715, 25328), (7915, 24688), (12344, 15830), (12664, 15430)]