87923560

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{373}}^1$

素因数の和:538

約数の個数: 64

約数和(自身を含む): 203575680

約数和(自身を除く): 115652120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 83, 142, 166, 284, 332, 355, 373, 415, 568, 664, 710, 746, 830, 1420, 1492, 1660, 1865, 2840, 2984, 3320, 3730, 5893, 7460, 11786, 14920, 23572, 26483, 29465, 30959, 47144, 52966, 58930, 61918, 105932, 117860, 123836, 132415, 154795, 211864, 235720, 247672, 264830, 309590, 529660, 619180, 1059320, 1238360, 2198089, 4396178, 8792356, 10990445, 17584712, 21980890, 43961780, 87923560]

約数ペア:

[(1, 87923560), (2, 43961780), (4, 21980890), (5, 17584712), (8, 10990445), (10, 8792356), (20, 4396178), (40, 2198089), (71, 1238360), (83, 1059320), (142, 619180), (166, 529660), (284, 309590), (332, 264830), (355, 247672), (373, 235720), (415, 211864), (568, 154795), (664, 132415), (710, 123836), (746, 117860), (830, 105932), (1420, 61918), (1492, 58930), (1660, 52966), (1865, 47144), (2840, 30959), (2984, 29465), (3320, 26483), (3730, 23572), (5893, 14920), (7460, 11786)]