1817466520

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{5039}}^1$

素因数の和:5248

約数の個数: 64

約数和(自身を含む): 4180377600

約数和(自身を除く): 2362911080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 127, 142, 254, 284, 355, 508, 568, 635, 710, 1016, 1270, 1420, 2540, 2840, 5039, 5080, 9017, 10078, 18034, 20156, 25195, 36068, 40312, 45085, 50390, 72136, 90170, 100780, 180340, 201560, 357769, 360680, 639953, 715538, 1279906, 1431076, 1788845, 2559812, 2862152, 3199765, 3577690, 5119624, 6399530, 7155380, 12799060, 14310760, 25598120, 45436663, 90873326, 181746652, 227183315, 363493304, 454366630, 908733260, 1817466520]

約数ペア:

[(1, 1817466520), (2, 908733260), (4, 454366630), (5, 363493304), (8, 227183315), (10, 181746652), (20, 90873326), (40, 45436663), (71, 25598120), (127, 14310760), (142, 12799060), (254, 7155380), (284, 6399530), (355, 5119624), (508, 3577690), (568, 3199765), (635, 2862152), (710, 2559812), (1016, 1788845), (1270, 1431076), (1420, 1279906), (2540, 715538), (2840, 639953), (5039, 360680), (5080, 357769), (9017, 201560), (10078, 180340), (18034, 100780), (20156, 90170), (25195, 72136), (36068, 50390), (40312, 45085)]