16217120

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1283}}^1$

素因数の和:1377

約数の個数: 48

約数和(自身を含む): 38828160

約数和(自身を除く): 22611040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1283, 1580, 2528, 2566, 3160, 5132, 6320, 6415, 10264, 12640, 12830, 20528, 25660, 41056, 51320, 101357, 102640, 202714, 205280, 405428, 506785, 810856, 1013570, 1621712, 2027140, 3243424, 4054280, 8108560, 16217120]

約数ペア:

[(1, 16217120), (2, 8108560), (4, 4054280), (5, 3243424), (8, 2027140), (10, 1621712), (16, 1013570), (20, 810856), (32, 506785), (40, 405428), (79, 205280), (80, 202714), (158, 102640), (160, 101357), (316, 51320), (395, 41056), (632, 25660), (790, 20528), (1264, 12830), (1283, 12640), (1580, 10264), (2528, 6415), (2566, 6320), (3160, 5132)]