202229560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{388903}}^1$

素因数の和:388927

約数の個数: 32

約数和(自身を含む): 490019040

約数和(自身を除く): 287789480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 388903, 777806, 1555612, 1944515, 3111224, 3889030, 5055739, 7778060, 10111478, 15556120, 20222956, 25278695, 40445912, 50557390, 101114780, 202229560]

約数ペア:

[(1, 202229560), (2, 101114780), (4, 50557390), (5, 40445912), (8, 25278695), (10, 20222956), (13, 15556120), (20, 10111478), (26, 7778060), (40, 5055739), (52, 3889030), (65, 3111224), (104, 1944515), (130, 1555612), (260, 777806), (520, 388903)]