5581820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 12704160

約数和(自身を除く): 7122340

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 397, 703, 740, 794, 1406, 1588, 1985, 2812, 3515, 3970, 7030, 7543, 7940, 14060, 14689, 15086, 29378, 30172, 37715, 58756, 73445, 75430, 146890, 150860, 279091, 293780, 558182, 1116364, 1395455, 2790910, 5581820]

約数ペア:

[(1, 5581820), (2, 2790910), (4, 1395455), (5, 1116364), (10, 558182), (19, 293780), (20, 279091), (37, 150860), (38, 146890), (74, 75430), (76, 73445), (95, 58756), (148, 37715), (185, 30172), (190, 29378), (370, 15086), (380, 14689), (397, 14060), (703, 7940), (740, 7543), (794, 7030), (1406, 3970), (1588, 3515), (1985, 2812)]