16278020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3217}}^1$

素因数の和:3260

約数の個数: 48

約数和(自身を含む): 38924928

約数和(自身を除く): 22646908

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 3217, 5060, 6434, 12868, 16085, 32170, 35387, 64340, 70774, 73991, 141548, 147982, 176935, 295964, 353870, 369955, 707740, 739910, 813901, 1479820, 1627802, 3255604, 4069505, 8139010, 16278020]

約数ペア:

[(1, 16278020), (2, 8139010), (4, 4069505), (5, 3255604), (10, 1627802), (11, 1479820), (20, 813901), (22, 739910), (23, 707740), (44, 369955), (46, 353870), (55, 295964), (92, 176935), (110, 147982), (115, 141548), (220, 73991), (230, 70774), (253, 64340), (460, 35387), (506, 32170), (1012, 16085), (1265, 12868), (2530, 6434), (3217, 5060)]