16784560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16139}}^1$

素因数の和:16165

約数の個数: 40

約数和(自身を含む): 42028560

約数和(自身を除く): 25244000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 16139, 32278, 64556, 80695, 129112, 161390, 209807, 258224, 322780, 419614, 645560, 839228, 1049035, 1291120, 1678456, 2098070, 3356912, 4196140, 8392280, 16784560]

約数ペア:

[(1, 16784560), (2, 8392280), (4, 4196140), (5, 3356912), (8, 2098070), (10, 1678456), (13, 1291120), (16, 1049035), (20, 839228), (26, 645560), (40, 419614), (52, 322780), (65, 258224), (80, 209807), (104, 161390), (130, 129112), (208, 80695), (260, 64556), (520, 32278), (1040, 16139)]