65128240

素因数分解:

$2^4\times 5^1\times {\mathrm{277}}^1\times {\mathrm{2939}}^1$

素因数の和:3229

約数の個数: 40

約数和(自身を含む): 152021520

約数和(自身を除く): 86893280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 277, 554, 1108, 1385, 2216, 2770, 2939, 4432, 5540, 5878, 11080, 11756, 14695, 22160, 23512, 29390, 47024, 58780, 117560, 235120, 814103, 1628206, 3256412, 4070515, 6512824, 8141030, 13025648, 16282060, 32564120, 65128240]

約数ペア:

[(1, 65128240), (2, 32564120), (4, 16282060), (5, 13025648), (8, 8141030), (10, 6512824), (16, 4070515), (20, 3256412), (40, 1628206), (80, 814103), (277, 235120), (554, 117560), (1108, 58780), (1385, 47024), (2216, 29390), (2770, 23512), (2939, 22160), (4432, 14695), (5540, 11756), (5878, 11080)]