38217880

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{13457}}^1$

素因数の和:13539

約数の個数: 32

約数和(自身を含む): 87207840

約数和(自身を除く): 48989960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 13457, 26914, 53828, 67285, 107656, 134570, 269140, 538280, 955447, 1910894, 3821788, 4777235, 7643576, 9554470, 19108940, 38217880]

約数ペア:

[(1, 38217880), (2, 19108940), (4, 9554470), (5, 7643576), (8, 4777235), (10, 3821788), (20, 1910894), (40, 955447), (71, 538280), (142, 269140), (284, 134570), (355, 107656), (568, 67285), (710, 53828), (1420, 26914), (2840, 13457)]