15697996840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20655259}}^1$

素因数の和:20655289

約数の個数: 32

約数和(自身を含む): 37179468000

約数和(自身を除く): 21481471160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 20655259, 41310518, 82621036, 103276295, 165242072, 206552590, 392449921, 413105180, 784899842, 826210360, 1569799684, 1962249605, 3139599368, 3924499210, 7848998420, 15697996840]

約数ペア:

[(1, 15697996840), (2, 7848998420), (4, 3924499210), (5, 3139599368), (8, 1962249605), (10, 1569799684), (19, 826210360), (20, 784899842), (38, 413105180), (40, 392449921), (76, 206552590), (95, 165242072), (152, 103276295), (190, 82621036), (380, 41310518), (760, 20655259)]