13655440

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1303}}^1$

素因数の和:1447

約数の個数: 40

約数和(自身を含む): 32015808

約数和(自身を除く): 18360368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1303, 1310, 2096, 2606, 2620, 5212, 5240, 6515, 10424, 10480, 13030, 20848, 26060, 52120, 104240, 170693, 341386, 682772, 853465, 1365544, 1706930, 2731088, 3413860, 6827720, 13655440]

約数ペア:

[(1, 13655440), (2, 6827720), (4, 3413860), (5, 2731088), (8, 1706930), (10, 1365544), (16, 853465), (20, 682772), (40, 341386), (80, 170693), (131, 104240), (262, 52120), (524, 26060), (655, 20848), (1048, 13030), (1303, 10480), (1310, 10424), (2096, 6515), (2606, 5240), (2620, 5212)]