27730720

素因数分解:

$2^5\times 5^1\times {\mathrm{263}}^1\times {\mathrm{659}}^1$

素因数の和:937

約数の個数: 48

約数和(自身を含む): 65862720

約数和(自身を除く): 38132000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 263, 526, 659, 1052, 1315, 1318, 2104, 2630, 2636, 3295, 4208, 5260, 5272, 6590, 8416, 10520, 10544, 13180, 21040, 21088, 26360, 42080, 52720, 105440, 173317, 346634, 693268, 866585, 1386536, 1733170, 2773072, 3466340, 5546144, 6932680, 13865360, 27730720]

約数ペア:

[(1, 27730720), (2, 13865360), (4, 6932680), (5, 5546144), (8, 3466340), (10, 2773072), (16, 1733170), (20, 1386536), (32, 866585), (40, 693268), (80, 346634), (160, 173317), (263, 105440), (526, 52720), (659, 42080), (1052, 26360), (1315, 21088), (1318, 21040), (2104, 13180), (2630, 10544), (2636, 10520), (3295, 8416), (4208, 6590), (5260, 5272)]