83711680

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20123}}^1$

素因数の和:20153

約数の個数: 56

約数和(自身を含む): 214682832

約数和(自身を除く): 130971152

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, 20123, 40246, 80492, 100615, 160984, 201230, 261599, 321968, 402460, 523198, 643936, 804920, 1046396, 1287872, 1307995, 1609840, 2092792, 2615990, 3219680, 4185584, 5231980, 6439360, 8371168, 10463960, 16742336, 20927920, 41855840, 83711680]

約数ペア:

[(1, 83711680), (2, 41855840), (4, 20927920), (5, 16742336), (8, 10463960), (10, 8371168), (13, 6439360), (16, 5231980), (20, 4185584), (26, 3219680), (32, 2615990), (40, 2092792), (52, 1609840), (64, 1307995), (65, 1287872), (80, 1046396), (104, 804920), (130, 643936), (160, 523198), (208, 402460), (260, 321968), (320, 261599), (416, 201230), (520, 160984), (832, 100615), (1040, 80492), (2080, 40246), (4160, 20123)]