628947160

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{44543}}^1$

素因数の和:44907

約数の個数: 32

約数和(自身を含む): 1419171840

約数和(自身を除く): 790224680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 2824, 3530, 7060, 14120, 44543, 89086, 178172, 222715, 356344, 445430, 890860, 1781720, 15723679, 31447358, 62894716, 78618395, 125789432, 157236790, 314473580, 628947160]

約数ペア:

[(1, 628947160), (2, 314473580), (4, 157236790), (5, 125789432), (8, 78618395), (10, 62894716), (20, 31447358), (40, 15723679), (353, 1781720), (706, 890860), (1412, 445430), (1765, 356344), (2824, 222715), (3530, 178172), (7060, 89086), (14120, 44543)]