1723280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1657}}^1$

素因数の和:1683

約数の個数: 40

約数和(自身を含む): 4317432

約数和(自身を除く): 2594152

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1657, 3314, 6628, 8285, 13256, 16570, 21541, 26512, 33140, 43082, 66280, 86164, 107705, 132560, 172328, 215410, 344656, 430820, 861640, 1723280]

約数ペア:

[(1, 1723280), (2, 861640), (4, 430820), (5, 344656), (8, 215410), (10, 172328), (13, 132560), (16, 107705), (20, 86164), (26, 66280), (40, 43082), (52, 33140), (65, 26512), (80, 21541), (104, 16570), (130, 13256), (208, 8285), (260, 6628), (520, 3314), (1040, 1657)]