11288420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3947}}^1$

素因数の和:3980

約数の個数: 48

約数和(自身を含む): 27857088

約数和(自身を除く): 16568668

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 3947, 7894, 15788, 19735, 39470, 43417, 51311, 78940, 86834, 102622, 173668, 205244, 217085, 256555, 434170, 513110, 564421, 868340, 1026220, 1128842, 2257684, 2822105, 5644210, 11288420]

約数ペア:

[(1, 11288420), (2, 5644210), (4, 2822105), (5, 2257684), (10, 1128842), (11, 1026220), (13, 868340), (20, 564421), (22, 513110), (26, 434170), (44, 256555), (52, 217085), (55, 205244), (65, 173668), (110, 102622), (130, 86834), (143, 78940), (220, 51311), (260, 43417), (286, 39470), (572, 19735), (715, 15788), (1430, 7894), (2860, 3947)]