53178040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{78203}}^1$

素因数の和:78231

約数の個数: 32

約数和(自身を含む): 126690480

約数和(自身を除く): 73512440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 78203, 156406, 312812, 391015, 625624, 782030, 1329451, 1564060, 2658902, 3128120, 5317804, 6647255, 10635608, 13294510, 26589020, 53178040]

約数ペア:

[(1, 53178040), (2, 26589020), (4, 13294510), (5, 10635608), (8, 6647255), (10, 5317804), (17, 3128120), (20, 2658902), (34, 1564060), (40, 1329451), (68, 782030), (85, 625624), (136, 391015), (170, 312812), (340, 156406), (680, 78203)]