86754760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{541}}^1$

素因数の和:782

約数の個数: 64

約数和(自身を含む): 206827200

約数和(自身を除く): 120072440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 211, 380, 422, 541, 760, 844, 1055, 1082, 1688, 2110, 2164, 2705, 4009, 4220, 4328, 5410, 8018, 8440, 10279, 10820, 16036, 20045, 20558, 21640, 32072, 40090, 41116, 51395, 80180, 82232, 102790, 114151, 160360, 205580, 228302, 411160, 456604, 570755, 913208, 1141510, 2168869, 2283020, 4337738, 4566040, 8675476, 10844345, 17350952, 21688690, 43377380, 86754760]

約数ペア:

[(1, 86754760), (2, 43377380), (4, 21688690), (5, 17350952), (8, 10844345), (10, 8675476), (19, 4566040), (20, 4337738), (38, 2283020), (40, 2168869), (76, 1141510), (95, 913208), (152, 570755), (190, 456604), (211, 411160), (380, 228302), (422, 205580), (541, 160360), (760, 114151), (844, 102790), (1055, 82232), (1082, 80180), (1688, 51395), (2110, 41116), (2164, 40090), (2705, 32072), (4009, 21640), (4220, 20558), (4328, 20045), (5410, 16036), (8018, 10820), (8440, 10279)]