164052020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{5443}}^1$

素因数の和:5600

約数の個数: 48

約数和(自身を含む): 378641088

約数和(自身を除く): 214589068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 137, 220, 274, 548, 685, 1370, 1507, 2740, 3014, 5443, 6028, 7535, 10886, 15070, 21772, 27215, 30140, 54430, 59873, 108860, 119746, 239492, 299365, 598730, 745691, 1197460, 1491382, 2982764, 3728455, 7456910, 8202601, 14913820, 16405202, 32810404, 41013005, 82026010, 164052020]

約数ペア:

[(1, 164052020), (2, 82026010), (4, 41013005), (5, 32810404), (10, 16405202), (11, 14913820), (20, 8202601), (22, 7456910), (44, 3728455), (55, 2982764), (110, 1491382), (137, 1197460), (220, 745691), (274, 598730), (548, 299365), (685, 239492), (1370, 119746), (1507, 108860), (2740, 59873), (3014, 54430), (5443, 30140), (6028, 27215), (7535, 21772), (10886, 15070)]