80406340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{1627}}^1$

素因数の和:1996

約数の個数: 48

約数和(自身を含む): 193640832

約数和(自身を除く): 113234492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 353, 706, 1412, 1627, 1765, 2471, 3254, 3530, 4942, 6508, 7060, 8135, 9884, 11389, 12355, 16270, 22778, 24710, 32540, 45556, 49420, 56945, 113890, 227780, 574331, 1148662, 2297324, 2871655, 4020317, 5743310, 8040634, 11486620, 16081268, 20101585, 40203170, 80406340]

約数ペア:

[(1, 80406340), (2, 40203170), (4, 20101585), (5, 16081268), (7, 11486620), (10, 8040634), (14, 5743310), (20, 4020317), (28, 2871655), (35, 2297324), (70, 1148662), (140, 574331), (353, 227780), (706, 113890), (1412, 56945), (1627, 49420), (1765, 45556), (2471, 32540), (3254, 24710), (3530, 22778), (4942, 16270), (6508, 12355), (7060, 11389), (8135, 9884)]