128540600

素因数分解:

$2^3\times 5^2\times {\mathrm{683}}^1\times {\mathrm{941}}^1$

素因数の和:1640

約数の個数: 48

約数和(自身を含む): 299612520

約数和(自身を除く): 171071920

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 683, 941, 1366, 1882, 2732, 3415, 3764, 4705, 5464, 6830, 7528, 9410, 13660, 17075, 18820, 23525, 27320, 34150, 37640, 47050, 68300, 94100, 136600, 188200, 642703, 1285406, 2570812, 3213515, 5141624, 6427030, 12854060, 16067575, 25708120, 32135150, 64270300, 128540600]

約数ペア:

[(1, 128540600), (2, 64270300), (4, 32135150), (5, 25708120), (8, 16067575), (10, 12854060), (20, 6427030), (25, 5141624), (40, 3213515), (50, 2570812), (100, 1285406), (200, 642703), (683, 188200), (941, 136600), (1366, 94100), (1882, 68300), (2732, 47050), (3415, 37640), (3764, 34150), (4705, 27320), (5464, 23525), (6830, 18820), (7528, 17075), (9410, 13660)]