40307540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22147}}^1$

素因数の和:22176

約数の個数: 48

約数和(自身を含む): 104184192

約数和(自身を除く): 63876652

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 22147, 44294, 88588, 110735, 155029, 221470, 287911, 310058, 442940, 575822, 620116, 775145, 1151644, 1439555, 1550290, 2015377, 2879110, 3100580, 4030754, 5758220, 8061508, 10076885, 20153770, 40307540]

約数ペア:

[(1, 40307540), (2, 20153770), (4, 10076885), (5, 8061508), (7, 5758220), (10, 4030754), (13, 3100580), (14, 2879110), (20, 2015377), (26, 1550290), (28, 1439555), (35, 1151644), (52, 775145), (65, 620116), (70, 575822), (91, 442940), (130, 310058), (140, 287911), (182, 221470), (260, 155029), (364, 110735), (455, 88588), (910, 44294), (1820, 22147)]