4067502520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{281683}}^1$

素因数の和:281732

約数の個数: 48

約数和(自身を含む): 9658944360

約数和(自身を除く): 5591441840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2888, 3610, 7220, 14440, 281683, 563366, 1126732, 1408415, 2253464, 2816830, 5351977, 5633660, 10703954, 11267320, 21407908, 26759885, 42815816, 53519770, 101687563, 107039540, 203375126, 214079080, 406750252, 508437815, 813500504, 1016875630, 2033751260, 4067502520]

約数ペア:

[(1, 4067502520), (2, 2033751260), (4, 1016875630), (5, 813500504), (8, 508437815), (10, 406750252), (19, 214079080), (20, 203375126), (38, 107039540), (40, 101687563), (76, 53519770), (95, 42815816), (152, 26759885), (190, 21407908), (361, 11267320), (380, 10703954), (722, 5633660), (760, 5351977), (1444, 2816830), (1805, 2253464), (2888, 1408415), (3610, 1126732), (7220, 563366), (14440, 281683)]