28830320

素因数分解:

$2^4\times 5^1\times {\mathrm{557}}^1\times {\mathrm{647}}^1$

素因数の和:1217

約数の個数: 40

約数和(自身を含む): 67254624

約数和(自身を除く): 38424304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 557, 647, 1114, 1294, 2228, 2588, 2785, 3235, 4456, 5176, 5570, 6470, 8912, 10352, 11140, 12940, 22280, 25880, 44560, 51760, 360379, 720758, 1441516, 1801895, 2883032, 3603790, 5766064, 7207580, 14415160, 28830320]

約数ペア:

[(1, 28830320), (2, 14415160), (4, 7207580), (5, 5766064), (8, 3603790), (10, 2883032), (16, 1801895), (20, 1441516), (40, 720758), (80, 360379), (557, 51760), (647, 44560), (1114, 25880), (1294, 22280), (2228, 12940), (2588, 11140), (2785, 10352), (3235, 8912), (4456, 6470), (5176, 5570)]