15556420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2281}}^1$

素因数の和:2332

約数の個数: 48

約数和(自身を含む): 36804096

約数和(自身を除く): 21247676

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 2281, 3410, 4562, 6820, 9124, 11405, 22810, 25091, 45620, 50182, 70711, 100364, 125455, 141422, 250910, 282844, 353555, 501820, 707110, 777821, 1414220, 1555642, 3111284, 3889105, 7778210, 15556420]

約数ペア:

[(1, 15556420), (2, 7778210), (4, 3889105), (5, 3111284), (10, 1555642), (11, 1414220), (20, 777821), (22, 707110), (31, 501820), (44, 353555), (55, 282844), (62, 250910), (110, 141422), (124, 125455), (155, 100364), (220, 70711), (310, 50182), (341, 45620), (620, 25091), (682, 22810), (1364, 11405), (1705, 9124), (2281, 6820), (3410, 4562)]