66550220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{2677}}^1$

素因数の和:2810

約数の個数: 48

約数和(自身を含む): 153867168

約数和(自身を除く): 87316948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 113, 220, 226, 452, 565, 1130, 1243, 2260, 2486, 2677, 4972, 5354, 6215, 10708, 12430, 13385, 24860, 26770, 29447, 53540, 58894, 117788, 147235, 294470, 302501, 588940, 605002, 1210004, 1512505, 3025010, 3327511, 6050020, 6655022, 13310044, 16637555, 33275110, 66550220]

約数ペア:

[(1, 66550220), (2, 33275110), (4, 16637555), (5, 13310044), (10, 6655022), (11, 6050020), (20, 3327511), (22, 3025010), (44, 1512505), (55, 1210004), (110, 605002), (113, 588940), (220, 302501), (226, 294470), (452, 147235), (565, 117788), (1130, 58894), (1243, 53540), (2260, 29447), (2486, 26770), (2677, 24860), (4972, 13385), (5354, 12430), (6215, 10708)]