40804540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1307}}^1$

素因数の和:1546

約数の個数: 48

約数和(自身を含む): 98445312

約数和(自身を除く): 57640772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 446, 892, 1115, 1307, 1561, 2230, 2614, 3122, 4460, 5228, 6244, 6535, 7805, 9149, 13070, 15610, 18298, 26140, 31220, 36596, 45745, 91490, 182980, 291461, 582922, 1165844, 1457305, 2040227, 2914610, 4080454, 5829220, 8160908, 10201135, 20402270, 40804540]

約数ペア:

[(1, 40804540), (2, 20402270), (4, 10201135), (5, 8160908), (7, 5829220), (10, 4080454), (14, 2914610), (20, 2040227), (28, 1457305), (35, 1165844), (70, 582922), (140, 291461), (223, 182980), (446, 91490), (892, 45745), (1115, 36596), (1307, 31220), (1561, 26140), (2230, 18298), (2614, 15610), (3122, 13070), (4460, 9149), (5228, 7805), (6244, 6535)]