66501560

素因数分解:

$2^3\times 5^1\times {\mathrm{563}}^1\times {\mathrm{2953}}^1$

素因数の和:3527

約数の個数: 32

約数和(自身を含む): 149945040

約数和(自身を除く): 83443480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 563, 1126, 2252, 2815, 2953, 4504, 5630, 5906, 11260, 11812, 14765, 22520, 23624, 29530, 59060, 118120, 1662539, 3325078, 6650156, 8312695, 13300312, 16625390, 33250780, 66501560]

約数ペア:

[(1, 66501560), (2, 33250780), (4, 16625390), (5, 13300312), (8, 8312695), (10, 6650156), (20, 3325078), (40, 1662539), (563, 118120), (1126, 59060), (2252, 29530), (2815, 23624), (2953, 22520), (4504, 14765), (5630, 11812), (5906, 11260)]