80299120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{91249}}^1$

素因数の和:91273

約数の個数: 40

約数和(自身を含む): 203670000

約数和(自身を除く): 123370880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 91249, 182498, 364996, 456245, 729992, 912490, 1003739, 1459984, 1824980, 2007478, 3649960, 4014956, 5018695, 7299920, 8029912, 10037390, 16059824, 20074780, 40149560, 80299120]

約数ペア:

[(1, 80299120), (2, 40149560), (4, 20074780), (5, 16059824), (8, 10037390), (10, 8029912), (11, 7299920), (16, 5018695), (20, 4014956), (22, 3649960), (40, 2007478), (44, 1824980), (55, 1459984), (80, 1003739), (88, 912490), (110, 729992), (176, 456245), (220, 364996), (440, 182498), (880, 91249)]