80889620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{25121}}^1$

素因数の和:25160

約数の個数: 48

約数和(自身を含む): 202583808

約数和(自身を除く): 121694188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 25121, 50242, 100484, 125605, 175847, 251210, 351694, 502420, 577783, 703388, 879235, 1155566, 1758470, 2311132, 2888915, 3516940, 4044481, 5777830, 8088962, 11555660, 16177924, 20222405, 40444810, 80889620]

約数ペア:

[(1, 80889620), (2, 40444810), (4, 20222405), (5, 16177924), (7, 11555660), (10, 8088962), (14, 5777830), (20, 4044481), (23, 3516940), (28, 2888915), (35, 2311132), (46, 1758470), (70, 1155566), (92, 879235), (115, 703388), (140, 577783), (161, 502420), (230, 351694), (322, 251210), (460, 175847), (644, 125605), (805, 100484), (1610, 50242), (3220, 25121)]