16005516575

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{71191}}^1$

素因数の和:71264

約数の個数: 36

約数和(自身を含む): 21968000208

約数和(自身を除く): 5962483633

約数列:

[1, 5, 17, 23, 25, 85, 115, 391, 425, 529, 575, 1955, 2645, 8993, 9775, 13225, 44965, 71191, 224825, 355955, 1210247, 1637393, 1779775, 6051235, 8186965, 27835681, 30256175, 37660039, 40934825, 139178405, 188300195, 640220663, 695892025, 941500975, 3201103315, 16005516575]

約数ペア:

[(1, 16005516575), (5, 3201103315), (17, 941500975), (23, 695892025), (25, 640220663), (85, 188300195), (115, 139178405), (391, 40934825), (425, 37660039), (529, 30256175), (575, 27835681), (1955, 8186965), (2645, 6051235), (8993, 1779775), (9775, 1637393), (13225, 1210247), (44965, 355955), (71191, 224825)]