81202220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{4447}}^1$

素因数の和:4550

約数の個数: 48

約数和(自身を含む): 188310528

約数和(自身を除く): 107108308

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 166, 220, 332, 415, 830, 913, 1660, 1826, 3652, 4447, 4565, 8894, 9130, 17788, 18260, 22235, 44470, 48917, 88940, 97834, 195668, 244585, 369101, 489170, 738202, 978340, 1476404, 1845505, 3691010, 4060111, 7382020, 8120222, 16240444, 20300555, 40601110, 81202220]

約数ペア:

[(1, 81202220), (2, 40601110), (4, 20300555), (5, 16240444), (10, 8120222), (11, 7382020), (20, 4060111), (22, 3691010), (44, 1845505), (55, 1476404), (83, 978340), (110, 738202), (166, 489170), (220, 369101), (332, 244585), (415, 195668), (830, 97834), (913, 88940), (1660, 48917), (1826, 44470), (3652, 22235), (4447, 18260), (4565, 17788), (8894, 9130)]