13335920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12823}}^1$

素因数の和:12849

約数の個数: 40

約数和(自身を含む): 33393696

約数和(自身を除く): 20057776

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 12823, 25646, 51292, 64115, 102584, 128230, 166699, 205168, 256460, 333398, 512920, 666796, 833495, 1025840, 1333592, 1666990, 2667184, 3333980, 6667960, 13335920]

約数ペア:

[(1, 13335920), (2, 6667960), (4, 3333980), (5, 2667184), (8, 1666990), (10, 1333592), (13, 1025840), (16, 833495), (20, 666796), (26, 512920), (40, 333398), (52, 256460), (65, 205168), (80, 166699), (104, 128230), (130, 102584), (208, 64115), (260, 51292), (520, 25646), (1040, 12823)]