216568040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{416477}}^1$

素因数の和:416501

約数の個数: 32

約数和(自身を含む): 524762280

約数和(自身を除く): 308194240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 416477, 832954, 1665908, 2082385, 3331816, 4164770, 5414201, 8329540, 10828402, 16659080, 21656804, 27071005, 43313608, 54142010, 108284020, 216568040]

約数ペア:

[(1, 216568040), (2, 108284020), (4, 54142010), (5, 43313608), (8, 27071005), (10, 21656804), (13, 16659080), (20, 10828402), (26, 8329540), (40, 5414201), (52, 4164770), (65, 3331816), (104, 2082385), (130, 1665908), (260, 832954), (520, 416477)]