28724480

素因数分解:

$2^8\times 5^1\times {\mathrm{22441}}^1$

素因数の和:22462

約数の個数: 36

約数和(自身を含む): 68807172

約数和(自身を除く): 40082692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 22441, 44882, 89764, 112205, 179528, 224410, 359056, 448820, 718112, 897640, 1436224, 1795280, 2872448, 3590560, 5744896, 7181120, 14362240, 28724480]

約数ペア:

[(1, 28724480), (2, 14362240), (4, 7181120), (5, 5744896), (8, 3590560), (10, 2872448), (16, 1795280), (20, 1436224), (32, 897640), (40, 718112), (64, 448820), (80, 359056), (128, 224410), (160, 179528), (256, 112205), (320, 89764), (640, 44882), (1280, 22441)]