66388040

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{4783}}^1$

素因数の和:5141

約数の個数: 32

約数和(自身を含む): 149834880

約数和(自身を除く): 83446840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 694, 1388, 1735, 2776, 3470, 4783, 6940, 9566, 13880, 19132, 23915, 38264, 47830, 95660, 191320, 1659701, 3319402, 6638804, 8298505, 13277608, 16597010, 33194020, 66388040]

約数ペア:

[(1, 66388040), (2, 33194020), (4, 16597010), (5, 13277608), (8, 8298505), (10, 6638804), (20, 3319402), (40, 1659701), (347, 191320), (694, 95660), (1388, 47830), (1735, 38264), (2776, 23915), (3470, 19132), (4783, 13880), (6940, 9566)]