13984240

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2609}}^1$

素因数の和:2689

約数の個数: 40

約数和(自身を含む): 33011280

約数和(自身を除く): 19027040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2609, 2680, 5218, 5360, 10436, 13045, 20872, 26090, 41744, 52180, 104360, 174803, 208720, 349606, 699212, 874015, 1398424, 1748030, 2796848, 3496060, 6992120, 13984240]

約数ペア:

[(1, 13984240), (2, 6992120), (4, 3496060), (5, 2796848), (8, 1748030), (10, 1398424), (16, 874015), (20, 699212), (40, 349606), (67, 208720), (80, 174803), (134, 104360), (268, 52180), (335, 41744), (536, 26090), (670, 20872), (1072, 13045), (1340, 10436), (2609, 5360), (2680, 5218)]