72284120

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{38449}}^1$

素因数の和:38507

約数の個数: 32

約数和(自身を含む): 166104000

約数和(自身を除く): 93819880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 38449, 76898, 153796, 192245, 307592, 384490, 768980, 1537960, 1807103, 3614206, 7228412, 9035515, 14456824, 18071030, 36142060, 72284120]

約数ペア:

[(1, 72284120), (2, 36142060), (4, 18071030), (5, 14456824), (8, 9035515), (10, 7228412), (20, 3614206), (40, 1807103), (47, 1537960), (94, 768980), (188, 384490), (235, 307592), (376, 192245), (470, 153796), (940, 76898), (1880, 38449)]