15539840

素因数分解:

$2^7\times 5^1\times {\mathrm{24281}}^1$

素因数の和:24300

約数の個数: 32

約数和(自身を含む): 37151460

約数和(自身を除く): 21611620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 24281, 48562, 97124, 121405, 194248, 242810, 388496, 485620, 776992, 971240, 1553984, 1942480, 3107968, 3884960, 7769920, 15539840]

約数ペア:

[(1, 15539840), (2, 7769920), (4, 3884960), (5, 3107968), (8, 1942480), (10, 1553984), (16, 971240), (20, 776992), (32, 485620), (40, 388496), (64, 242810), (80, 194248), (128, 121405), (160, 97124), (320, 48562), (640, 24281)]