180021712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{27919}}^1$

素因数の和:27971

約数の個数: 40

約数和(自身を含む): 387752960

約数和(自身を除く): 207731248

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 27919, 55838, 111676, 223352, 362947, 446704, 725894, 865489, 1451788, 1730978, 2903576, 3461956, 5807152, 6923912, 11251357, 13847824, 22502714, 45005428, 90010856, 180021712]

約数ペア:

[(1, 180021712), (2, 90010856), (4, 45005428), (8, 22502714), (13, 13847824), (16, 11251357), (26, 6923912), (31, 5807152), (52, 3461956), (62, 2903576), (104, 1730978), (124, 1451788), (208, 865489), (248, 725894), (403, 446704), (496, 362947), (806, 223352), (1612, 111676), (3224, 55838), (6448, 27919)]