164004140

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{62597}}^1$

素因数の和:62737

約数の個数: 24

約数和(自身を含む): 347043312

約数和(自身を除く): 183039172

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 62597, 125194, 250388, 312985, 625970, 1251940, 8200207, 16400414, 32800828, 41001035, 82002070, 164004140]

約数ペア:

[(1, 164004140), (2, 82002070), (4, 41001035), (5, 32800828), (10, 16400414), (20, 8200207), (131, 1251940), (262, 625970), (524, 312985), (655, 250388), (1310, 125194), (2620, 62597)]