40021808

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{147139}}^1$

素因数の和:147164

約数の個数: 20

約数和(自身を含む): 82104120

約数和(自身を除く): 42082312

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 147139, 294278, 588556, 1177112, 2354224, 2501363, 5002726, 10005452, 20010904, 40021808]

約数ペア:

[(1, 40021808), (2, 20010904), (4, 10005452), (8, 5002726), (16, 2501363), (17, 2354224), (34, 1177112), (68, 588556), (136, 294278), (272, 147139)]