139971520

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{33647}}^1$

素因数の和:33677

約数の個数: 56

約数和(自身を含む): 358956864

約数和(自身を除く): 218985344

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 33647, 67294, 134588, 168235, 269176, 336470, 437411, 538352, 672940, 874822, 1076704, 1345880, 1749644, 2153408, 2187055, 2691760, 3499288, 4374110, 5383520, 6998576, 8748220, 10767040, 13997152, 17496440, 27994304, 34992880, 69985760, 139971520]

約数ペア:

[(1, 139971520), (2, 69985760), (4, 34992880), (5, 27994304), (8, 17496440), (10, 13997152), (13, 10767040), (16, 8748220), (20, 6998576), (26, 5383520), (32, 4374110), (40, 3499288), (52, 2691760), (64, 2187055), (65, 2153408), (80, 1749644), (104, 1345880), (130, 1076704), (160, 874822), (208, 672940), (260, 538352), (320, 437411), (416, 336470), (520, 269176), (832, 168235), (1040, 134588), (2080, 67294), (4160, 33647)]