71806720

素因数分解:

$2^8\times 5^1\times {\mathrm{56099}}^1$

素因数の和:56120

約数の個数: 36

約数和(自身を含む): 172002600

約数和(自身を除く): 100195880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 56099, 112198, 224396, 280495, 448792, 560990, 897584, 1121980, 1795168, 2243960, 3590336, 4487920, 7180672, 8975840, 14361344, 17951680, 35903360, 71806720]

約数ペア:

[(1, 71806720), (2, 35903360), (4, 17951680), (5, 14361344), (8, 8975840), (10, 7180672), (16, 4487920), (20, 3590336), (32, 2243960), (40, 1795168), (64, 1121980), (80, 897584), (128, 560990), (160, 448792), (256, 280495), (320, 224396), (640, 112198), (1280, 56099)]