55787660

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 119750400

約数和(自身を除く): 63962740

約数列:

[1, 2, 4, 5, 10, 20, 107, 131, 199, 214, 262, 398, 428, 524, 535, 655, 796, 995, 1070, 1310, 1990, 2140, 2620, 3980, 14017, 21293, 26069, 28034, 42586, 52138, 56068, 70085, 85172, 104276, 106465, 130345, 140170, 212930, 260690, 280340, 425860, 521380, 2789383, 5578766, 11157532, 13946915, 27893830, 55787660]

約数ペア:

[(1, 55787660), (2, 27893830), (4, 13946915), (5, 11157532), (10, 5578766), (20, 2789383), (107, 521380), (131, 425860), (199, 280340), (214, 260690), (262, 212930), (398, 140170), (428, 130345), (524, 106465), (535, 104276), (655, 85172), (796, 70085), (995, 56068), (1070, 52138), (1310, 42586), (1990, 28034), (2140, 26069), (2620, 21293), (3980, 14017)]