11575460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^2$

素因数の和:444

約数の個数: 36

約数和(自身を含む): 26303004

約数和(自身を除く): 14727544

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 211, 260, 422, 844, 1055, 2110, 2743, 4220, 5486, 10972, 13715, 27430, 44521, 54860, 89042, 178084, 222605, 445210, 578773, 890420, 1157546, 2315092, 2893865, 5787730, 11575460]

約数ペア:

[(1, 11575460), (2, 5787730), (4, 2893865), (5, 2315092), (10, 1157546), (13, 890420), (20, 578773), (26, 445210), (52, 222605), (65, 178084), (130, 89042), (211, 54860), (260, 44521), (422, 27430), (844, 13715), (1055, 10972), (2110, 5486), (2743, 4220)]