15961040

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1523}}^1$

素因数の和:1667

約数の個数: 40

約数和(自身を含む): 37417248

約数和(自身を除く): 21456208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 1523, 2096, 2620, 3046, 5240, 6092, 7615, 10480, 12184, 15230, 24368, 30460, 60920, 121840, 199513, 399026, 798052, 997565, 1596104, 1995130, 3192208, 3990260, 7980520, 15961040]

約数ペア:

[(1, 15961040), (2, 7980520), (4, 3990260), (5, 3192208), (8, 1995130), (10, 1596104), (16, 997565), (20, 798052), (40, 399026), (80, 199513), (131, 121840), (262, 60920), (524, 30460), (655, 24368), (1048, 15230), (1310, 12184), (1523, 10480), (2096, 7615), (2620, 6092), (3046, 5240)]