16563140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{953}}^1$

素因数の和:1052

約数の個数: 48

約数和(自身を含む): 38465280

約数和(自身を除く): 21902140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 953, 1580, 1738, 1906, 3476, 3812, 4345, 4765, 8690, 9530, 10483, 17380, 19060, 20966, 41932, 52415, 75287, 104830, 150574, 209660, 301148, 376435, 752870, 828157, 1505740, 1656314, 3312628, 4140785, 8281570, 16563140]

約数ペア:

[(1, 16563140), (2, 8281570), (4, 4140785), (5, 3312628), (10, 1656314), (11, 1505740), (20, 828157), (22, 752870), (44, 376435), (55, 301148), (79, 209660), (110, 150574), (158, 104830), (220, 75287), (316, 52415), (395, 41932), (790, 20966), (869, 19060), (953, 17380), (1580, 10483), (1738, 9530), (1906, 8690), (3476, 4765), (3812, 4345)]