64536040

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{16633}}^1$

素因数の和:16741

約数の個数: 32

約数和(自身を含む): 146711880

約数和(自身を除く): 82175840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 16633, 33266, 66532, 83165, 133064, 166330, 332660, 665320, 1613401, 3226802, 6453604, 8067005, 12907208, 16134010, 32268020, 64536040]

約数ペア:

[(1, 64536040), (2, 32268020), (4, 16134010), (5, 12907208), (8, 8067005), (10, 6453604), (20, 3226802), (40, 1613401), (97, 665320), (194, 332660), (388, 166330), (485, 133064), (776, 83165), (970, 66532), (1940, 33266), (3880, 16633)]