43156840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{20357}}^1$

素因数の和:20421

約数の個数: 32

約数和(自身を含む): 98939880

約数和(自身を除く): 55783040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 20357, 40714, 81428, 101785, 162856, 203570, 407140, 814280, 1078921, 2157842, 4315684, 5394605, 8631368, 10789210, 21578420, 43156840]

約数ペア:

[(1, 43156840), (2, 21578420), (4, 10789210), (5, 8631368), (8, 5394605), (10, 4315684), (20, 2157842), (40, 1078921), (53, 814280), (106, 407140), (212, 203570), (265, 162856), (424, 101785), (530, 81428), (1060, 40714), (2120, 20357)]