51728620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1\times {\mathrm{431}}^1$

素因数の和:810

約数の個数: 48

約数和(自身を含む): 115613568

約数和(自身を除く): 63884948

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 353, 431, 706, 862, 1412, 1724, 1765, 2155, 3530, 4310, 6001, 7060, 7327, 8620, 12002, 14654, 24004, 29308, 30005, 36635, 60010, 73270, 120020, 146540, 152143, 304286, 608572, 760715, 1521430, 2586431, 3042860, 5172862, 10345724, 12932155, 25864310, 51728620]

約数ペア:

[(1, 51728620), (2, 25864310), (4, 12932155), (5, 10345724), (10, 5172862), (17, 3042860), (20, 2586431), (34, 1521430), (68, 760715), (85, 608572), (170, 304286), (340, 152143), (353, 146540), (431, 120020), (706, 73270), (862, 60010), (1412, 36635), (1724, 30005), (1765, 29308), (2155, 24004), (3530, 14654), (4310, 12002), (6001, 8620), (7060, 7327)]