87981940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151693}}^1$

素因数の和:151731

約数の個数: 24

約数和(自身を含む): 191134440

約数和(自身を除く): 103152500

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 151693, 303386, 606772, 758465, 1516930, 3033860, 4399097, 8798194, 17596388, 21995485, 43990970, 87981940]

約数ペア:

[(1, 87981940), (2, 43990970), (4, 21995485), (5, 17596388), (10, 8798194), (20, 4399097), (29, 3033860), (58, 1516930), (116, 758465), (145, 606772), (290, 303386), (580, 151693)]